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503b676dde2780330c90a10b37a844686601a784
Analyze and fix the following issue in the Linux kernel code: mei: pxp: Use correct macros to initialize uuid_le
Problem Details: GUID_INIT() is for internal guid_t type and shouldn't be used for the uuid_le. I.o.w. relying on the implementation details is layering violation. Use correct macros to initialize uuid_le. Fixes: c2004ce99ed7 ("mei: pxp: export pavp client to me client bus") Signed-off-by: Andy Shevchenko <andriy.shev...
```diff diff --git a/drivers/misc/mei/pxp/mei_pxp.c b/drivers/misc/mei/pxp/mei_pxp.c index 8dd09b1722eb..7ee1fa7b1cb3 100644 --- a/drivers/misc/mei/pxp/mei_pxp.c +++ b/drivers/misc/mei/pxp/mei_pxp.c @@ -238,8 +238,8 @@ static void mei_pxp_remove(struct mei_cl_device *cldev) } /* fbf6fcf1-96cf-4e2e-a6a6-1bab8cbe36b1...
f5b29c7a4df1dafd79ee7c0b1084b75afbe0ff60
Analyze and fix the following issue in the Linux kernel code: misc: enclosure: Fix doc for enclosure_find()
Problem Details: We should use put_device() to release the reference. Fixes: ee959b00c335 ("SCSI: convert struct class_device to struct device") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r/20221215090804.473022-1-linmq006@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfou...
```diff diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c index 1b010d9267c9..4ba966529458 100644 --- a/drivers/misc/enclosure.c +++ b/drivers/misc/enclosure.c @@ -32,7 +32,7 @@ static struct class enclosure_class; * found. @start can be used as a starting point to obtain multiple * enclosures per pa...
3e50b639628332f7d79e1ce97e354d065ca3e0e2
Analyze and fix the following issue in the Linux kernel code: accessibility: speakup: Fix spelling mistake "thw" -> "the"
Problem Details: There is a spelling mistake in the module parameter description for say_word_ctl and an extra space. Fix the spelling mistake and remove the extraneous space. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Link: https://lore.kernel.or...
```diff diff --git a/drivers/accessibility/speakup/main.c b/drivers/accessibility/speakup/main.c index 4733fd6334ab..56c073103cbb 100644 --- a/drivers/accessibility/speakup/main.c +++ b/drivers/accessibility/speakup/main.c @@ -2490,7 +2490,7 @@ MODULE_PARM_DESC(punc_level, "Controls the level of punctuation spoken as t...
1a726cb47fd204109c767409fa9ca15a96328f14
Analyze and fix the following issue in the Linux kernel code: VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF
Problem Details: The call to get_user_pages_fast() in vmci_host_setup_notify() can return NULL context->notify_page causing a GPF. To avoid GPF check if context->notify_page == NULL and return error if so. general protection fault, probably for non-canonical address 0xe0009d1000000060: 0000 [#1] PREEMPT SMP KASAN ...
```diff diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c index da1e2a773823..857b9851402a 100644 --- a/drivers/misc/vmw_vmci/vmci_host.c +++ b/drivers/misc/vmw_vmci/vmci_host.c @@ -242,6 +242,8 @@ static int vmci_host_setup_notify(struct vmci_ctx *context, context->notify_page = NUL...
d66a4c20ae55ac88136b4a3befd944c093ffa677
Analyze and fix the following issue in the Linux kernel code: firmware: stratix10-svc: fix error handle while alloc/add device failed
Problem Details: If add device "stratix10-rsu" failed in stratix10_svc_drv_probe(), the 'svc_fifo' and 'genpool' need be freed in the error path. If allocate or add device "intel-fcs" failed in stratix10_svc_drv_probe(), the device "stratix10-rsu" need be unregistered in the error path. Fixes: e6281c26674e ("firmware...
```diff diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c index 1a5640b3ab42..bde1f543f529 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -1202,19 +1202,20 @@ static int stratix10_svc_drv_probe(struct platform_device *pdev) ret = platform_device_...
9175ee1a99d57ec07d66ff572e1d5a724477ab37
Analyze and fix the following issue in the Linux kernel code: firmware: stratix10-svc: add missing gen_pool_destroy() in stratix10_svc_drv_probe()
Problem Details: In error path in stratix10_svc_drv_probe(), gen_pool_destroy() should be called to destroy the memory pool that created by svc_create_memory_pool(). Fixes: 7ca5ce896524 ("firmware: add Intel Stratix10 service layer driver") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Dinh N...
```diff diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c index b4081f4d88a3..1a5640b3ab42 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -1138,13 +1138,17 @@ static int stratix10_svc_drv_probe(struct platform_device *pdev) /* allocate service ...
ce4273d89c52167d6fe20572136c58117eae0657
Analyze and fix the following issue in the Linux kernel code: applicom: Fix PCI device refcount leak in applicom_init()
Problem Details: As comment of pci_get_class() says, it returns a pci_device with its refcount increased and decreased the refcount for the input parameter @from if it is not NULL. If we break the loop in applicom_init() with 'dev' not NULL, we need to call pci_dev_put() to decrease the refcount. Add the missing pci_d...
```diff diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c index 36203d3fa6ea..69314532f38c 100644 --- a/drivers/char/applicom.c +++ b/drivers/char/applicom.c @@ -197,8 +197,10 @@ static int __init applicom_init(void) if (!pci_match_id(applicom_pci_tbl, dev)) continue; - if (pci_enable_device(de...
54650eb17132a099100264caf59bb2210f65085a
Analyze and fix the following issue in the Linux kernel code: ASoC: hdmi-codec: zero clear HDMI pdata
Problem Details: commit f77a066f4ed307d ("ASoC: hdmi-codec: Allow playback and capture to be disabled") added new no_i2s_playback/capture. We need to zero clear HDMI pdata first, otherwise unexpected flag will be added. Fixes: f77a066f4ed3 ("ASoC: hdmi-codec: Allow playback and capture to be disabled") Signed-off-by: ...
```diff diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c index a2f0860b20bb..d751820c6da6 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c @@ -193,6 +193,7 @@ static int snd_dw...
ea57680af47587397f5005d7758022441ed66d54
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: ipc4-mtrace: prevent underflow in sof_ipc4_priority_mask_dfs_write()
Problem Details: The "id" comes from the user. Change the type to unsigned to prevent an array underflow. Fixes: f4ea22f7aa75 ("ASoC: SOF: ipc4: Add support for mtrace log extraction") Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel....
```diff diff --git a/sound/soc/sof/ipc4-mtrace.c b/sound/soc/sof/ipc4-mtrace.c index 70dea8ae706e..0ec6ef681012 100644 --- a/sound/soc/sof/ipc4-mtrace.c +++ b/sound/soc/sof/ipc4-mtrace.c @@ -344,9 +344,10 @@ static ssize_t sof_ipc4_priority_mask_dfs_write(struct file *file, size_t count, loff_t *ppos) { struc...
8d7eb8ed3f83f248e01a4f548d9c500a950a2c2d
Analyze and fix the following issue in the Linux kernel code: drm/i915/selftest: fix intel_selftest_modify_policy argument types
Problem Details: The definition of intel_selftest_modify_policy() does not match the declaration, as gcc-13 points out: drivers/gpu/drm/i915/selftests/intel_scheduler_helpers.c:29:5: error: conflicting types for 'intel_selftest_modify_policy' due to enum/integer mismatch; have 'int(struct intel_engine_cs *, struct int...
```diff diff --git a/drivers/gpu/drm/i915/selftests/intel_scheduler_helpers.c b/drivers/gpu/drm/i915/selftests/intel_scheduler_helpers.c index 310fb83c527e..2990dd4d4a0d 100644 --- a/drivers/gpu/drm/i915/selftests/intel_scheduler_helpers.c +++ b/drivers/gpu/drm/i915/selftests/intel_scheduler_helpers.c @@ -28,8 +28,7 @@...
d717a3ab282f51ec45142f911f7ef8a55c057de5
Analyze and fix the following issue in the Linux kernel code: eeprom: idt_89hpesx: Fix error handling in idt_init()
Problem Details: A problem about idt_89hpesx create debugfs failed is triggered with the following log given: [ 4973.269647] debugfs: Directory 'idt_csr' with parent '/' already present! The reason is that idt_init() returns i2c_add_driver() directly without checking its return value, if i2c_add_driver() failed, it ...
```diff diff --git a/drivers/misc/eeprom/idt_89hpesx.c b/drivers/misc/eeprom/idt_89hpesx.c index 4e07ee9cb500..7075d0b37881 100644 --- a/drivers/misc/eeprom/idt_89hpesx.c +++ b/drivers/misc/eeprom/idt_89hpesx.c @@ -1566,12 +1566,20 @@ static struct i2c_driver idt_driver = { */ static int __init idt_init(void) { + i...
d6b7ec11062e116f44a504f73f16c97e1cc53bd0
Analyze and fix the following issue in the Linux kernel code: crypto: x86/aria-avx512 - fix build failure with old binutils
Problem Details: The minimum version of binutils for kernel build is currently 2.23 and it doesn't support GFNI. So, it fails to build the aria-avx512 if the old binutils is used. aria-avx512 requires GFNI, so it should not be allowed to build if the old binutils is used. The AS_AVX512 and AS_GFNI are added to the Kcon...
```diff diff --git a/arch/x86/crypto/Kconfig b/arch/x86/crypto/Kconfig index 688e848f740d..9bbfd01cfa2f 100644 --- a/arch/x86/crypto/Kconfig +++ b/arch/x86/crypto/Kconfig @@ -325,7 +325,7 @@ config CRYPTO_ARIA_AESNI_AVX2_X86_64 config CRYPTO_ARIA_GFNI_AVX512_X86_64 tristate "Ciphers: ARIA with modes: ECB, CTR (AVX...
1eb468b3c7199cf7fe0c34ee37b95ae0e9bcc5fe
Analyze and fix the following issue in the Linux kernel code: crypto: x86/aria-avx2 - fix build failure with old binutils
Problem Details: The minimum version of binutils for kernel build is currently 2.23 and it doesn't support GFNI. So, it fails to build the aria-avx2 if the old binutils is used. The code using GFNI is an optional part of aria-avx2. So, it disables GFNI part in it when the old binutils is used. Fixes: 37d8d3ae7a58 ("cr...
```diff diff --git a/arch/x86/crypto/aria-aesni-avx2-asm_64.S b/arch/x86/crypto/aria-aesni-avx2-asm_64.S index b6cac9a40f2c..82a14b4ad920 100644 --- a/arch/x86/crypto/aria-aesni-avx2-asm_64.S +++ b/arch/x86/crypto/aria-aesni-avx2-asm_64.S @@ -302,6 +302,7 @@ vpbroadcastb ((round * 16) + idx + 4)(rk), t0; \ vpxor t0...
e3cf2f8794b031ec0e640cb2dff95f45139ac4e9
Analyze and fix the following issue in the Linux kernel code: crypto: x86/aria-avx - fix build failure with old binutils
Problem Details: The minimum version of binutils for kernel build is currently 2.23 and it doesn't support GFNI. So, it fails to build the aria-avx if the old binutils is used. The code using GFNI is an optional part of aria-avx. So, it disables GFNI part in it when the old binutils is used. In order to check whether t...
```diff diff --git a/arch/x86/Kconfig.assembler b/arch/x86/Kconfig.assembler index 26b8c08e2fc4..b88f784cb02e 100644 --- a/arch/x86/Kconfig.assembler +++ b/arch/x86/Kconfig.assembler @@ -19,3 +19,8 @@ config AS_TPAUSE def_bool $(as-instr,tpause %ecx) help Supported by binutils >= 2.31.1 and LLVM integrated asse...
32e62025e5e52fbe4812ef044759de7010b15dbc
Analyze and fix the following issue in the Linux kernel code: crypto: seqiv - Handle EBUSY correctly
Problem Details: As it is seqiv only handles the special return value of EINPROGERSS, which means that in all other cases it will free data related to the request. However, as the caller of seqiv may specify MAY_BACKLOG, we also need to expect EBUSY and treat it in the same way. Otherwise backlogged requests will tri...
```diff diff --git a/crypto/seqiv.c b/crypto/seqiv.c index 0899d527c284..b1bcfe537daf 100644 --- a/crypto/seqiv.c +++ b/crypto/seqiv.c @@ -23,7 +23,7 @@ static void seqiv_aead_encrypt_complete2(struct aead_request *req, int err) struct aead_request *subreq = aead_request_ctx(req); struct crypto_aead *geniv; - if ...
b5a772adf45a32c68bef28e60621f12617161556
Analyze and fix the following issue in the Linux kernel code: crypto: essiv - Handle EBUSY correctly
Problem Details: As it is essiv only handles the special return value of EINPROGERSS, which means that in all other cases it will free data related to the request. However, as the caller of essiv may specify MAY_BACKLOG, we also need to expect EBUSY and treat it in the same way. Otherwise backlogged requests will tri...
```diff diff --git a/crypto/essiv.c b/crypto/essiv.c index e33369df9034..307eba74b901 100644 --- a/crypto/essiv.c +++ b/crypto/essiv.c @@ -171,7 +171,12 @@ static void essiv_aead_done(struct crypto_async_request *areq, int err) struct aead_request *req = areq->data; struct essiv_aead_request_ctx *rctx = aead_reques...
692ed5d4b270d1b12aa7f00f25f4f1e914831cb3
Analyze and fix the following issue in the Linux kernel code: crypto: qat - fix spelling mistakes from 'bufer' to 'buffer'
Problem Details: Fix spelling mistakes from 'bufer' to 'buffer' in qat_common. Also fix indentation issue caused by the spelling change. Signed-off-by: Meadhbh Fitzpatrick <meadhbh.fitzpatrick@intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.co...
```diff diff --git a/drivers/crypto/qat/qat_common/adf_transport_access_macros.h b/drivers/crypto/qat/qat_common/adf_transport_access_macros.h index 3b6b0267bbec..d3667dbd9826 100644 --- a/drivers/crypto/qat/qat_common/adf_transport_access_macros.h +++ b/drivers/crypto/qat/qat_common/adf_transport_access_macros.h @@ -3...
299bf602b3f92f1456aef59c6413591fb02e762a
Analyze and fix the following issue in the Linux kernel code: crypto: ccp - Failure on re-initialization due to duplicate sysfs filename
Problem Details: The following warning appears during the CCP module re-initialization: [ 140.965403] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:07.1/0000:03:00.2/dma/dma0chan0' [ 140.975736] CPU: 0 PID: 388 Comm: kworker/0:2 Kdump: loaded Not tainted 6.2.0-0.rc2.18.eln124.x86_64 #1 [ 140....
```diff diff --git a/drivers/crypto/ccp/ccp-dmaengine.c b/drivers/crypto/ccp/ccp-dmaengine.c index 9f753cb4f5f1..b386a7063818 100644 --- a/drivers/crypto/ccp/ccp-dmaengine.c +++ b/drivers/crypto/ccp/ccp-dmaengine.c @@ -642,14 +642,26 @@ static void ccp_dma_release(struct ccp_device *ccp) chan = ccp->ccp_dma_chan + i...
2b0c954010873166fdf6a8468f25ff24dcc8aa05
Analyze and fix the following issue in the Linux kernel code: crypto: aead - fix inaccurate documentation
Problem Details: The AEAD documentation conflates associated data and authentication tags: the former (along with the ciphertext) is authenticated by the latter. Fix the doc accordingly. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/include/crypto/aead.h b/include/crypto/aead.h index 14db3bee0519..4a2b7e6e0c1f 100644 --- a/include/crypto/aead.h +++ b/include/crypto/aead.h @@ -27,15 +27,12 @@ * * For example: authenc(hmac(sha256), cbc(aes)) * - * The example code provided for the symmetric key cipher operation - * applies...
2cbafffbf69addd7509072f4be5917f81d238cf6
Analyze and fix the following issue in the Linux kernel code: Revert "serial: stm32: Merge hard IRQ and threaded IRQ handling into single IRQ handler"
Problem Details: This reverts commit f24771b62a83239f0dce816bddf0f6807f436235 as it is reported to break the build. Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/r/202301200130.ttBiTzfO-lkp@intel.com Fixes: f24771b62a83 ("serial: stm32: Merge hard IRQ and threaded IRQ handling into singl...
```diff diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 1e24bee2b0ef..a1490033aa16 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -797,9 +797,23 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr) spin_unlock(&port->lock); ...
d2c865553adb7ad9abf3894cbb209cf1bc95484a
Analyze and fix the following issue in the Linux kernel code: firmware: zynqmp: fix declarations for gcc-13
Problem Details: gcc-13.0.1 reports a type mismatch for two functions: drivers/firmware/xilinx/zynqmp.c:1228:5: error: conflicting types for 'zynqmp_pm_set_rpu_mode' due to enum/integer mismatch; have 'int(u32, enum rpu_oper_mode)' {aka 'int(unsigned int, enum rpu_oper_mode)'} [-Werror=enum-int-mismatch] 1228 | int...
```diff diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index b986e267d149..b09f443d3ab9 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -545,8 +545,8 @@ int zynqmp_pm_request_wake(const u32 node, const u64 address, c...
a772a02c18342bcc14bdc499ca400c2139b4ddde
Analyze and fix the following issue in the Linux kernel code: iommu: dart: Fix DART_PARAMS1/2 bit define names
Problem Details: They didn't have the PARAMS reg index in them, but they should. Reviewed-by: Sven Peter <sven@svenpeter.dev> Signed-off-by: Hector Martin <marcan@marcan.st> Link: https://lore.kernel.org/r/20230113105029.26654-6-marcan@marcan.st Signed-off-by: Joerg Roedel <jroedel@suse.de>
```diff diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c index 82b2581d909c..89be055a44be 100644 --- a/drivers/iommu/apple-dart.c +++ b/drivers/iommu/apple-dart.c @@ -40,10 +40,10 @@ #define DART_PARAMS1 0x00 -#define DART_PARAMS_PAGE_SHIFT GENMASK(27, 24) +#define DART_PARAMS1_PAGE_SHIFT GENMA...
fdfc76a116b5e9d3e98e6c96fe83b42d011d21d4
Analyze and fix the following issue in the Linux kernel code: net: stmmac: enable all safety features by default
Problem Details: In the original implementation of dwmac5 commit 8bf993a5877e ("net: stmmac: Add support for DWMAC5 and implement Safety Features") all safety features were enabled by default. Later it seems some implementations didn't have support for all the features, so in commit 5ac712dcdfef ("net: stmmac: enable ...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c index 9c2d40f853ed..413f66017219 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c @@ -186,11 +186,25 @@ static void dwmac5_handle_dma_err(struct ne...
0582d984793d30442da88fe458674502bad1ad29
Analyze and fix the following issue in the Linux kernel code: i2c: rk3x: fix a bunch of kernel-doc warnings
Problem Details: Fix multiple W=1 kernel-doc warnings in i2c-rk3x.c: drivers/i2c/busses/i2c-rk3x.c:83: warning: missing initial short description on line: * struct i2c_spec_values: drivers/i2c/busses/i2c-rk3x.c:139: warning: missing initial short description on line: * struct rk3x_i2c_calced_timings: drivers/i2c/bus...
```diff diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index d1658ed76562..b31cf4f18f85 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -80,7 +80,7 @@ enum { #define DEFAULT_SCL_RATE (100 * 1000) /* Hz */ /** - * struct i2c_spec_values: + * struct i2c_s...
0a4eecf96c640886226f1ca7fdbb11bb20bc55b9
Analyze and fix the following issue in the Linux kernel code: dt-bindings: i2c: renesas,rzv2m: Fix SoC specific string
Problem Details: The preferred form for Renesas' compatible strings is: "<vendor>,<family>-<module>" Somehow the compatible string for the r9a09g011 I2C IP was upstreamed as renesas,i2c-r9a09g011 instead of renesas,r9a09g011-i2c, which is really confusing, especially considering the generic fallback is renesas,rzv2m-i...
```diff diff --git a/Documentation/devicetree/bindings/i2c/renesas,rzv2m.yaml b/Documentation/devicetree/bindings/i2c/renesas,rzv2m.yaml index c46378efc123..92e899905ef8 100644 --- a/Documentation/devicetree/bindings/i2c/renesas,rzv2m.yaml +++ b/Documentation/devicetree/bindings/i2c/renesas,rzv2m.yaml @@ -16,7 +16,7 @@...
5bf52f5e4d12b8109f348cab60cb7d51092c4270
Analyze and fix the following issue in the Linux kernel code: ARM: s3c: fix s3c64xx_set_timer_source prototype
Problem Details: The prototype does not match the definition, as gcc-13 points out: arch/arm/mach-s3c/s3c64xx.c:169:13: error: conflicting types for 's3c64xx_set_timer_source' due to enum/integer mismatch; have 'void(unsigned int, unsigned int)' [-Werror=enum-int-mismatch] 169 | void __init s3c64xx_set_timer_source...
```diff diff --git a/arch/arm/mach-s3c/s3c64xx.c b/arch/arm/mach-s3c/s3c64xx.c index 0a8116c108fe..dce2b0e95308 100644 --- a/arch/arm/mach-s3c/s3c64xx.c +++ b/arch/arm/mach-s3c/s3c64xx.c @@ -173,7 +173,8 @@ static struct samsung_pwm_variant s3c64xx_pwm_variant = { .tclk_mask = (1 << 7) | (1 << 6) | (1 << 5), }; -v...
abb7c742397324f8676c5b622effdce911cd52e3
Analyze and fix the following issue in the Linux kernel code: sysv: fix handling of delete_entry and set_link failures
Problem Details: similar to minixfs series - make sysv_set_link() report failures, lift dir_put_page() into the callers of sysv_set_link() and sysv_delete_entry(), make sysv_rename() handle failures in both. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
```diff diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c index 3ed98d66b152..999bceb99974 100644 --- a/fs/sysv/dir.c +++ b/fs/sysv/dir.c @@ -249,10 +249,12 @@ int sysv_delete_entry(struct sysv_dir_entry *de, struct page *page) lock_page(page); err = sysv_prepare_chunk(page, pos, SYSV_DIRSIZE); - BUG_ON(err); + if (err)...
1038bfb23649faf47fc0714dea42f472cdcf1784
Analyze and fix the following issue in the Linux kernel code: net: phy: fix use of uninit variable when setting PLCA config
Problem Details: Coverity reported the following: *** CID 1530573: (UNINIT) drivers/net/phy/phy-c45.c:1036 in genphy_c45_plca_set_cfg() 1030 return ret; 1031 1032 val = ret; 1033 } 1034 1035 if (plca_cfg->node_cnt >= 0) vvv CID 1530573: (UNINIT) vvv Using uninitialized value "v...
```diff diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c index cff83220595c..9f9565a4819d 100644 --- a/drivers/net/phy/phy-c45.c +++ b/drivers/net/phy/phy-c45.c @@ -999,8 +999,8 @@ EXPORT_SYMBOL_GPL(genphy_c45_plca_get_cfg); int genphy_c45_plca_set_cfg(struct phy_device *phydev, const struct ...
ee75f1fc44dd73f0323118f31cf91f9b6db147fa
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Create separate devlink instance for ethernet auxiliary device
Problem Details: The fact that devlink instance lock is held over mlx5 auxiliary devices probe and remove routines brought a need to conditionally take devlink instance lock there. The code is checking a MLX5E_LOCKED_FLOW flag in mlx5 priv struct. This is racy and may lead to access devlink objects without holding ins...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 82573ac722d1..da58322cbc3a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -971,6 +971,10 @@ struct mlx5e_priv { struct dentry ...
854617f52ab4241896190abac7688eaaf6774451
Analyze and fix the following issue in the Linux kernel code: net: ethernet: ti: am65-cpsw: Handle -EPROBE_DEFER for Serdes PHY
Problem Details: In the am65_cpsw_init_serdes_phy() function, the error handling for the call to the devm_of_phy_get() function misses the case where the return value of devm_of_phy_get() is ERR_PTR(-EPROBE_DEFER). Proceeding without handling this case will result in a crash when the "phy" pointer with this value is de...
```diff diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 5cac98284184..c696da89962f 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -1463,6 +1463,8 @@ static int am65_cpsw_init_serdes_phy(struct device *dev, st...
a76e88c2942575bc43ea88d0f05d245b26859130
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: ptp: Fix error code in ksz_hwtstamp_set()
Problem Details: We want to return negative error codes here but the copy_to/from_user() functions return the number of bytes remaining to be copied. Fixes: c59e12a140fb ("net: dsa: microchip: ptp: Initial hardware time stamping support") Signed-off-by: Dan Carpenter <error27@gmail.com> Reviewed-by: Vladimir Oltean <o...
```diff diff --git a/drivers/net/dsa/microchip/ksz_ptp.c b/drivers/net/dsa/microchip/ksz_ptp.c index a66a256f8814..4e22a695a64c 100644 --- a/drivers/net/dsa/microchip/ksz_ptp.c +++ b/drivers/net/dsa/microchip/ksz_ptp.c @@ -416,9 +416,8 @@ int ksz_hwtstamp_set(struct dsa_switch *ds, int port, struct ifreq *ifr) prt ...
f35cb547865ca32084b108d79c44ddb71117b42d
Analyze and fix the following issue in the Linux kernel code: net: sfp: rename gpio_of_names[]
Problem Details: There's nothing DT specific about the gpio_of_names array, let's drop the _of infix. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
```diff diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 402dcdd59acb..64dfc5f1ea7b 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -144,7 +144,7 @@ static const char *sm_state_to_str(unsigned short sm_state) return sm_state_strings[sm_state]; } -static const char *gpio_of_names[]...
24b5308cf5ee9f52dd22f3af78a5b0cdc9d35e72
Analyze and fix the following issue in the Linux kernel code: selftests/filesystems: grant executable permission to run_fat_tests.sh
Problem Details: When use tools/testing/selftests/kselftest_install.sh to make the kselftest-list.txt under tools/testing/selftests/kselftest_install. Then use tools/testing/selftests/kselftest_install/run_kselftest.sh to run all the kselftests in kselftest-list.txt, it will be blocked by case "filesystems/fat: run_fa...
```diff diff --git a/tools/testing/selftests/filesystems/fat/run_fat_tests.sh b/tools/testing/selftests/filesystems/fat/run_fat_tests.sh old mode 100644 new mode 100755 ```
6a5f2d6ee8d515d5912e33d63a7386d03854a655
Analyze and fix the following issue in the Linux kernel code: bpf: Change modules resolving for kprobe multi link
Problem Details: We currently use module_kallsyms_on_each_symbol that iterates all modules/symbols and we try to lookup each such address in user provided symbols/addresses to get list of used modules. This fix instead only iterates provided kprobe addresses and calls __module_address on each to get list of used modul...
```diff diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 095f7f8d34a1..8124f1ad0d4a 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -2682,69 +2682,77 @@ static void symbols_swap_r(void *a, void *b, int size, const void *priv) } } -struct module_addr_args { - unsigned l...
5b89c6f9b2df2b7cf6da8e0b2b87c8995b378cad
Analyze and fix the following issue in the Linux kernel code: riscv: fix -Wundef warning for CONFIG_RISCV_BOOT_SPINWAIT
Problem Details: Since commit 80b6093b55e3 ("kbuild: add -Wundef to KBUILD_CPPFLAGS for W=1 builds"), building with W=1 detects misuse of #if. $ make W=1 ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- arch/riscv/kernel/ [snip] AS arch/riscv/kernel/head.o arch/riscv/kernel/head.S:329:5: warning: "CONFIG_R...
```diff diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index b865046e4dbb..4bf6c449d78b 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -326,7 +326,7 @@ clear_bss_done: call soc_early_init tail start_kernel -#if CONFIG_RISCV_BOOT_SPINWAIT +#ifdef CONFIG_RISCV_BOOT_SPINWAI...
d374a16539b14dde0b8a3e69fb9169a7454a806c
Analyze and fix the following issue in the Linux kernel code: RISC-V: fix compile error from deduplicated __ALTERNATIVE_CFG_2
Problem Details: On the non-assembler-side wrapping alternative-macros inside other macros to prevent duplication of code works, as the end result will just be a string that gets fed to the asm instruction. In real assembler code, wrapping .macro blocks inside other .macro blocks brings more restrictions on usage it s...
```diff diff --git a/arch/riscv/include/asm/alternative-macros.h b/arch/riscv/include/asm/alternative-macros.h index 7226e2462584..2c0f4c887289 100644 --- a/arch/riscv/include/asm/alternative-macros.h +++ b/arch/riscv/include/asm/alternative-macros.h @@ -46,7 +46,7 @@ .macro ALTERNATIVE_CFG_2 old_c, new_c_1, vendor_...
2d1a9d599b3ed9b9c58f64b8b71b5b9d770ceacf
Analyze and fix the following issue in the Linux kernel code: minix: fix error handling in minix_set_link
Problem Details: If minix_prepare_chunk fails, updating c/mtime and marking the dir inode dirty is wrong, as the inode hasn't been modified. Also propagate the error to the caller. Note that this moves the dir_put_page call later, but that matches other uses of this helper in the directory code. Signed-off-by: Chris...
```diff diff --git a/fs/minix/dir.c b/fs/minix/dir.c index 242e179aa1fb..34c1cdb5dc7d 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -410,8 +410,8 @@ not_empty: } /* Releases the page */ -void minix_set_link(struct minix_dir_entry *de, struct page *page, - struct inode *inode) +int minix_set_link(struct minix_...
b61d15d5ff67c07907c194d4354ec0c35bc657d1
Analyze and fix the following issue in the Linux kernel code: minix: fix error handling in minix_delete_entry
Problem Details: If minix_prepare_chunk fails, updating c/mtime and marking the dir inode dirty is wrong, as the inode hasn't been modified. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
```diff diff --git a/fs/minix/dir.c b/fs/minix/dir.c index ec462330e749..242e179aa1fb 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -297,18 +297,20 @@ int minix_delete_entry(struct minix_dir_entry *de, struct page *page) lock_page(page); err = minix_prepare_chunk(page, pos, len); - if (err == 0) { - if (sb...
71f656a50176915d6813751188b5758daa8d012b
Analyze and fix the following issue in the Linux kernel code: bpf: Fix to preserve reg parent/live fields when copying range info
Problem Details: Register range information is copied in several places. The intent is to transfer range/id information from one register/stack spill to another. Currently this is done using direct register assignment, e.g.: static void find_equal_scalars(..., struct bpf_reg_state *known_reg) { ... struct bpf_reg_st...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index dbef0b0967ae..7ee218827259 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -3243,13 +3243,24 @@ static bool __is_pointer_value(bool allow_ptr_leaks, return reg->type != SCALAR_VALUE; } +/* Copy src state preserving dst->pare...
26fd808b01e730fd45673619817a3feafb1230d7
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: print bo inode number instead of ptr
Problem Details: This allows to correlate the infos printed by /sys/kernel/debug/dri/n/amdgpu_gem_info to the ones found in /proc/.../fdinfo and /sys/kernel/debug/dma_buf/bufinfo. Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Sign...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 25a68d8888e0..981010de0a28 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1574,9 +1574,9 @@ u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *...
071f526a13e138a42e7bba4300e753def1024001
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: retire unused get_umc_v6_7_channel_index
Problem Details: Fix the following compile warning: drivers/gpu/drm/amd/amdgpu/umc_v6_7.c:53:24: warning: unused function 'get_umc_v6_7_channel_index' [-Wunused-function] static inline uint32_t get_umc_v6_7_channel_index(struct amdgpu_device *adev, ^ 1 warning generated. Signed-off-by: Tao Z...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c index 72fd963f178b..e08e25a3a1a9 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c @@ -57,13 +57,6 @@ static inline uint32_t get_umc_v6_7_reg_offset(struct amdgpu_device *adev,...
3ba3c2db2f59ca1258cbd064cbd6e4ef316205d9
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix hdmi_encoded_link_bw definition
Problem Details: Some of the data structures are hidden when CONFIG_DRM_AMD_DC_DCN is disabled, which leads to a link failure: drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c:234:21: error: 'union hdmi_encoded_link_bw' declared inside parameter list will not be visible outside of this definition or ...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h index b7e53b7dc4ed..84da54358922 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h @@ -361,14 +361,10 @@ enum dpcd_downstream_port_detailed_type { ...
5e3ec82c0243f77e31c3ce6ccbf722cb96db0cee
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix dp_retrieve_lttpr_cap() return value
Problem Details: gcc-13 notices a mismatch between the return type of dp_retrieve_lttpr_cap() and the returned value: drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c: In function 'dp_retrieve_lttpr_cap': drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c:1465:24: error: implicit conv...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/link_dp_capability.c index 088f4291bfbf..e72ad1b8330f 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dp_capability.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dp_capability.c @@ -1455,14 +1455...
9aa15370819294beb7eb67c9dcbf654d79ff8790
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: disable S/G display on DCN 3.1.4
Problem Details: Causes flickering or white screens in some configurations. Disable it for now until we can fix the issue. Cc: roman.li@amd.com Cc: yifan1.zhang@amd.com Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com> Signed-o...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 93229ef3cb32..d6d6d0ee1483 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1502,7 +1502,6 @@ static int amdgpu_dm_in...
3cc67fe1b3aa1ac4720e002f2aa2d08c9199a584
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: disable S/G display on DCN 3.1.5
Problem Details: Causes flickering or white screens in some configurations. Disable it for now until we can fix the issue. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2354 Cc: roman.li@amd.com Cc: yifan1.zhang@amd.com Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Yifan Zhang <yifan1.zhang@...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 0083703e6a8b..93229ef3cb32 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1503,7 +1503,6 @@ static int amdgpu_dm_in...
96b810d8c67dea53f669b2229118ded90e809fd3
Analyze and fix the following issue in the Linux kernel code: drm/amd: decrease message about missing PSP runtime database to debug
Problem Details: Laptops with APUs from a variety of manufacturers and generations show a warning about a missing PSP runtime database. As it's not required for PSP to dump this database into framebuffer, decrease messages about it missing to debug. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by:...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 0b59465b1494..a8391f269cd0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -336,7 +336,7 @@ static bool psp_get_runtime_db_entry(struct amdgpu_device *adev, ...
bd3149014dff8f90c3d700778274fb5729986a01
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Decrease messaging about DP alt mode state to debug
Problem Details: Currently plugging in a USB-C device that issues an HPD will emit a warning level message `DP Alt mode state on HPD: %d`. This is needlessly noisy for most people, decrease it to debug so that it can be turned on by dynamic debug as needed. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 5cd81348a88b..d9e490eca10f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -837,7 +837,7 @@ static bool wait_for_entering_dp_alt_mode...
7bdcc67cf29f72852ba4e77fbbf4c57a99125f9c
Analyze and fix the following issue in the Linux kernel code: Documentation/gpu: Add MP0 version to apu-asic-info-table
Problem Details: MP0 version is useful to know to figure out which firmware is intended for a platform. Add a column for all supported APUs. v2: squash in column fix (Mario) Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher ...
```diff diff --git a/Documentation/gpu/amdgpu/apu-asic-info-table.csv b/Documentation/gpu/amdgpu/apu-asic-info-table.csv index 98c6988e424e..6e14ae82e97c 100644 --- a/Documentation/gpu/amdgpu/apu-asic-info-table.csv +++ b/Documentation/gpu/amdgpu/apu-asic-info-table.csv @@ -1,8 +1,8 @@ -Product Name, Code Reference, DC...
fe0ba8c23f9a35b0307eb662f16dd3a75fcdae41
Analyze and fix the following issue in the Linux kernel code: acpi: Fix suspend with Xen PV
Problem Details: Commit f1e525009493 ("x86/boot: Skip realmode init code when running as Xen PV guest") missed one code path accessing real_mode_header, leading to dereferencing NULL when suspending the system under Xen: [ 348.284004] PM: suspend entry (deep) [ 348.289532] Filesystems sync: 0.005 seconds ...
```diff diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 65064d9f7fa6..8eb74cf386db 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -14,6 +14,7 @@ #include <asm/mmu.h> #include <asm/mpspec.h> #include <asm/x86_init.h> +#include <asm/cpufeature.h> #ifdef CO...
17f0669cfff88519fc05e32f78e8f5064c72727d
Analyze and fix the following issue in the Linux kernel code: x86/vsyscall: Fix documentation to reflect the default mode
Problem Details: The default vsyscall mode has been updated from emulate to xonly for a while. Update the kernel-parameters doc to reflect that. Fixes: 625b7b7f79c6 ("x86/vsyscall: Change the default vsyscall mode to xonly") Cc: Andy Lutomirski <luto@kernel.org> Signed-off-by: Sohil Mehta <sohil.mehta@intel.com> Revie...
```diff diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 80b14760314c..348f7d5a7842 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -6766,11 +6766,11 @@ functions are at fixed ad...
b4f34f0b662fd7c1a1d185527c31570f68e3ce57
Analyze and fix the following issue in the Linux kernel code: Documentation: Avoid duplicate Kconfig inclusion
Problem Details: Documentation/Kconfig is already included from top-level, avoid including it again from lib/Kconfig.debug. Signed-off-by: Peter Foley <pefoley2@pefoley.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20230114-doc-v2-1-...
```diff diff --git a/Documentation/Kconfig b/Documentation/Kconfig index 252bfc164dbd..3a0e7ac0c4e3 100644 --- a/Documentation/Kconfig +++ b/Documentation/Kconfig @@ -1,6 +1,9 @@ +if COMPILE_TEST + +menu "Documentation" + config WARN_MISSING_DOCUMENTS bool "Warn if there's a missing documentation file" - depends on ...
6c54b7bc8a31ce0f7cc7f8deef05067df414f1d8
Analyze and fix the following issue in the Linux kernel code: thermal: core: call put_device() only after device_register() fails
Problem Details: put_device() shouldn't be called before a prior call to device_register(). __thermal_cooling_device_register() doesn't follow that properly and needs fixing. Also thermal_cooling_device_destroy_sysfs() is getting called unnecessarily on few error paths. Fix all this by placing the calls at the right p...
```diff diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index f17ab2316dbd..77bd47d976a2 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -909,15 +909,20 @@ __thermal_cooling_device_register(struct device_node *np, cdev->devdata = devdata; ret = cdev...
afc8dd99840b7fb7190e769a893cda673bc3a907
Analyze and fix the following issue in the Linux kernel code: ARM: bcm2835_defconfig: Enable the framebuffer
Problem Details: Booting Linux on a Raspberry Pi based on bcm2835_defconfig there is no display activity. Enable CONFIG_FB which is nowadays required for CONFIG_FB_SIMPLE and CONFIG_FRAMEBUFFER_CONSOLE. Fixes: f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB") Signed-off-by: Stefan Wahren <stefan.wahren@...
```diff diff --git a/arch/arm/configs/bcm2835_defconfig b/arch/arm/configs/bcm2835_defconfig index a51babd178c2..be0c984a6694 100644 --- a/arch/arm/configs/bcm2835_defconfig +++ b/arch/arm/configs/bcm2835_defconfig @@ -107,6 +107,7 @@ CONFIG_MEDIA_CAMERA_SUPPORT=y CONFIG_DRM=y CONFIG_DRM_V3D=y CONFIG_DRM_VC4=y +CONF...
c759ec850df89f7235b08e468abb3190b6998d4e
Analyze and fix the following issue in the Linux kernel code: arm64: Drop SYS_ from SPE register defines
Problem Details: We currently have a non-standard SYS_ prefix in the constants generated for the SPE register bitfields. Drop this in preparation for automatic register definition generation. The SPE mask defines were unshifted, and the SPE register field enumerations were shifted. The autogenerated defines are the op...
```diff diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h index 668569adf4d3..f9da43e53cdb 100644 --- a/arch/arm64/include/asm/el2_setup.h +++ b/arch/arm64/include/asm/el2_setup.h @@ -53,10 +53,10 @@ cbz x0, .Lskip_spe_\@ // Skip if SPE not present mrs_s x0, SYS_PMBIDR_EL1 ...
089cd717e6ef03cf9cf7865777d67775de41339b
Analyze and fix the following issue in the Linux kernel code: arm64: dts: mediatek: mt8192: Mark scp_adsp clock as broken
Problem Details: The scp_adsp clock controller is under the SCP_ADSP power domain. This power domain is currently not supported nor defined. Mark the clock controller as broken for now, to avoid the system from trying to access it, and causing the CPU or bus to stall. Fixes: 5d2b897bc6f5 ("arm64: dts: mediatek: Add m...
```diff diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi index dd618c563e8a..ef4fcefa2bfc 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi @@ -644,6 +644,8 @@ compatible = "mediatek,mt8192-scp_adsp"; reg = <0 0x1...
e12d7a46f65ae4b7d58a5e0c1cbfa825cf8d830d
Analyze and fix the following issue in the Linux kernel code: io_uring/msg_ring: fix missing lock on overflow for IOPOLL
Problem Details: If the target ring is configured with IOPOLL, then we always need to hold the target ring uring_lock before posting CQEs. We could just grab it unconditionally, but since we don't expect many target rings to be of this type, make grabbing the uring_lock conditional on the ring type. Link: https://lore...
```diff diff --git a/io_uring/msg_ring.c b/io_uring/msg_ring.c index 321f5eafef99..a333781565d3 100644 --- a/io_uring/msg_ring.c +++ b/io_uring/msg_ring.c @@ -65,20 +65,33 @@ static void io_msg_tw_complete(struct callback_head *head) struct io_ring_ctx *target_ctx = req->file->private_data; int ret = 0; - if (cur...
2fafc335141c114a19dd4226074d07ebfc992a44
Analyze and fix the following issue in the Linux kernel code: dt-bindings: interconnect: split SM8450 to own schema
Problem Details: SM8450 comes with interconnects having and missing IO address space, and variable number of clocks, so split it from common file for easier maintenance and to fix warnings like: sm8450-hdk.dtb: interconnect-0: 'reg' is a required property Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@lina...
```diff diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml index 448829ecf6b6..335836a1b3c4 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.ya...
45e68388ba0ed25ae419acbfa80133f9038ab386
Analyze and fix the following issue in the Linux kernel code: dt-bindings: interconnect: split SC8280XP to own schema
Problem Details: SC8280XP comes with interconnects without IO address space, so split it from common file for easier maintenance and to fix warnings like: sc8280xp-lenovo-thinkpad-x13s.dtb: interconnect-mc-virt: 'reg' is a required property Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewe...
```diff diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml index 4bdcc014c46b..448829ecf6b6 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.ya...
f8a363c43bc7ff9ac6ee78222f978a66b9be903d
Analyze and fix the following issue in the Linux kernel code: dt-bindings: interconnect: split SC7280 to own schema
Problem Details: SC7280 comes with interconnects having and missing IO address space, so split it from common file for easier maintenance and to fix warnings like: sc7280-herobrine-crd.dtb: interconnect: 'reg' is a required property Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Ro...
```diff diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml index a429a1ed1006..4bdcc014c46b 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.ya...
6c977c5c2e4c5d8ad1b604724cc344e38f96fe9b
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: ksz9477: port map correction in ALU table entry register
Problem Details: ALU table entry 2 register in KSZ9477 have bit positions reserved for forwarding port map. This field is referred in ksz9477_fdb_del() for clearing forward port map and alu table. But current fdb_del refer ALU table entry 3 register for accessing forward port map. Update ksz9477_fdb_del() to get forwa...
```diff diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 47b54ecf2c6f..6178a96e389f 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -540,10 +540,10 @@ int ksz9477_fdb_del(struct ksz_device *dev, int port, ksz_read32(dev, REG_SW...
903848249a781d76d59561d51676c95b3a4d7162
Analyze and fix the following issue in the Linux kernel code: selftests/net: toeplitz: fix race on tpacket_v3 block close
Problem Details: Avoid race between process wakeup and tpacket_v3 block timeout. The test waits for cfg_timeout_msec for packets to arrive. Packets arrive in tpacket_v3 rings, which pass packets ("frames") to the process in batches ("blocks"). The sk waits for req3.tp_retire_blk_tov msec to release a block. Set the b...
```diff diff --git a/tools/testing/selftests/net/toeplitz.c b/tools/testing/selftests/net/toeplitz.c index 90026a27eac0..9ba03164d73a 100644 --- a/tools/testing/selftests/net/toeplitz.c +++ b/tools/testing/selftests/net/toeplitz.c @@ -215,7 +215,7 @@ static char *recv_frame(const struct ring_state *ring, char *frame) ...
8ccc99362b60c6f27bb46f36fdaaccf4ef0303de
Analyze and fix the following issue in the Linux kernel code: net/ulp: use consistent error code when blocking ULP
Problem Details: The referenced commit changed the error code returned by the kernel when preventing a non-established socket from attaching the ktls ULP. Before to such a commit, the user-space got ENOTCONN instead of EINVAL. The existing self-tests depend on such error code, and the change caused a failure: RUN ...
```diff diff --git a/net/ipv4/tcp_ulp.c b/net/ipv4/tcp_ulp.c index 05b6077b9f2c..2aa442128630 100644 --- a/net/ipv4/tcp_ulp.c +++ b/net/ipv4/tcp_ulp.c @@ -139,7 +139,7 @@ static int __tcp_set_ulp(struct sock *sk, const struct tcp_ulp_ops *ulp_ops) if (sk->sk_socket) clear_bit(SOCK_SUPPORT_ZC, &sk->sk_socket->flags...
8c29f016540532582721cec1dbf6d144873433ba
Analyze and fix the following issue in the Linux kernel code: x86/sev: Add SEV-SNP guest feature negotiation support
Problem Details: The hypervisor can enable various new features (SEV_FEATURES[1:63]) and start a SNP guest. Some of these features need guest side implementation. If any of these features are enabled without it, the behavior of the SNP guest will be undefined. It may fail booting in a non-obvious way making it difficu...
```diff diff --git a/Documentation/x86/amd-memory-encryption.rst b/Documentation/x86/amd-memory-encryption.rst index a1940ebe7be5..934310ce7258 100644 --- a/Documentation/x86/amd-memory-encryption.rst +++ b/Documentation/x86/amd-memory-encryption.rst @@ -95,3 +95,39 @@ by supplying mem_encrypt=on on the kernel command ...
9be182da0a7526f1b9a3777a336f83baa2e64d23
Analyze and fix the following issue in the Linux kernel code: driver core: Fix test_async_probe_init saves device in wrong array
Problem Details: In test_async_probe_init, second set of asynchronous devices are saved in sync_dev[sync_id], which should be async_dev[async_id]. This makes these devices not unregistered when exit. > modprobe test_async_driver_probe && \ > modprobe -r test_async_driver_probe && \ > modprobe test_async_driver_probe ...
```diff diff --git a/drivers/base/test/test_async_driver_probe.c b/drivers/base/test/test_async_driver_probe.c index 4d1976ca5072..929410d0dd6f 100644 --- a/drivers/base/test/test_async_driver_probe.c +++ b/drivers/base/test/test_async_driver_probe.c @@ -145,7 +145,7 @@ static int __init test_async_probe_init(void) c...
316769f75718f16e4e7d6a55d39053fe8a1d8b1c
Analyze and fix the following issue in the Linux kernel code: perf debug: Increase libtraceevent logging when verbose
Problem Details: libtraceevent has added more levels of debug printout and with changes like: https://lore.kernel.org/linux-trace-devel/20210507095022.1079364-3-tz.stoyanov@gmail.com previously generated output like "registering plugin" is no longer displayed. This change makes it so that if perf's verbose debug ou...
```diff diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index 190e818a0717..88378c4c5dd9 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -19,12 +19,19 @@ #include "debug.h" #include "print_binary.h" #include "target.h" +#include "trace-event.h" #include "ui/helpline.h" #include...
36225a7c72e9e3e1ce4001b6ce72849f5c9a2d3b
Analyze and fix the following issue in the Linux kernel code: w1: fix WARNING after calling w1_process()
Problem Details: I got the following WARNING message while removing driver(ds2482): ------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=1 set at [<000000002d50bfb6>] w1_process+0x9e/0x1d0 [wire] WARNING: CPU: 0 PID: 262 at kernel/sched/core.c:9817 __might_sleep+0x98/0xa0 CPU: 0 PID:...
```diff diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index 8b35fae4cd61..4a2ddf730a3a 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -1195,8 +1195,10 @@ int w1_process(void *data) */ mutex_unlock(&dev->list_mutex); - if (kthread_should_stop()) + if (kthread_should_stop()) { + __set_current_state(T...
25d5648802f12ae486076ceca5d7ddf1fef792b2
Analyze and fix the following issue in the Linux kernel code: w1: fix deadloop in __w1_remove_master_device()
Problem Details: I got a deadloop report while doing device(ds2482) add/remove test: [ 162.241881] w1_master_driver w1_bus_master1: Waiting for w1_bus_master1 to become free: refcnt=1. [ 163.272251] w1_master_driver w1_bus_master1: Waiting for w1_bus_master1 to become free: refcnt=1. [ 164.296157] w1_master_d...
```diff diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index f2ae2e563dc5..8b35fae4cd61 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -1166,6 +1166,8 @@ int w1_process(void *data) /* remainder if it woke up early */ unsigned long jremain = 0; + atomic_inc(&dev->refcnt); + for (;;) { if (!jremain &&...
1784eeaeb3de49a10dcae23e3882d879c5d342ba
Analyze and fix the following issue in the Linux kernel code: perf tools: Remove HAVE_LIBTRACEEVENT_TEP_FIELD_IS_RELATIVE
Problem Details: Switch HAVE_LIBTRACEEVENT_TEP_FIELD_IS_RELATIVE to be a version number test on libtraceevent being >= to version 1.5.0. This also corrects a greater-than test to be greater-than-or-equal. Fixes: b9a49f8cb02f0859 ("perf tools: Check if libtracevent has TEP_FIELD_IS_RELATIVE") Signed-off-by: Ian Rogers ...
```diff diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 5b8784675903..3519a0139026 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -1208,10 +1208,6 @@ ifneq ($(NO_LIBTRACEEVENT),1) LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* ...
2efb6edd52dc50273f5e68ad863dd1b1fb2f2d1c
Analyze and fix the following issue in the Linux kernel code: comedi: adv_pci1760: Fix PWM instruction handling
Problem Details: (Actually, this is fixing the "Read the Current Status" command sent to the device's outgoing mailbox, but it is only currently used for the PWM instructions.) The PCI-1760 is operated mostly by sending commands to a set of Outgoing Mailbox registers, waiting for the command to complete, and reading t...
```diff diff --git a/drivers/comedi/drivers/adv_pci1760.c b/drivers/comedi/drivers/adv_pci1760.c index fcfc2e299110..27f3890f471d 100644 --- a/drivers/comedi/drivers/adv_pci1760.c +++ b/drivers/comedi/drivers/adv_pci1760.c @@ -58,7 +58,7 @@ #define PCI1760_CMD_CLR_IMB2 0x00 /* Clears IMB2 */ #define PCI1760_CMD_SET_...
28ecbbae9ea459a0504e243668dae7c86eeedf9a
Analyze and fix the following issue in the Linux kernel code: comedi: use menuconfig for main Comedi menu
Problem Details: Bring the Comedi menu in line with most other device drivers by using "menuconfig" instead of "config" for the top-level entry. This also fixes a menu presentation issue with xconfig. Fixes: ed9eccbe8970 ("Staging: add comedi core") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Ian Abbott <a...
```diff diff --git a/drivers/comedi/Kconfig b/drivers/comedi/Kconfig index 3cb61fa2c5c3..9af280735cba 100644 --- a/drivers/comedi/Kconfig +++ b/drivers/comedi/Kconfig @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -config COMEDI +menuconfig COMEDI tristate "Data acquisition support (comedi)" help Enable su...
9f19aab47ced012eddef1e2bc96007efc7713b61
Analyze and fix the following issue in the Linux kernel code: perf llvm: Fix inadvertent file creation
Problem Details: The LLVM template is first echo-ed into command_out and then command_out executed. The echo surrounds the template with double quotes, however, the template itself may contain quotes. This is generally innocuous but in tools/perf/tests/bpf-script-test-prologue.c we see: ... SEC("func=null_lseek file->f...
```diff diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c index 650ffe336f3a..4e8e243a6e4b 100644 --- a/tools/perf/util/llvm-utils.c +++ b/tools/perf/util/llvm-utils.c @@ -531,14 +531,37 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf, pr_debug("llvm compiling command template: %s...
70fae37a09268455b8ab4f64647086b61da6f39c
Analyze and fix the following issue in the Linux kernel code: Revert "char: pcmcia: cm4000_cs: Replace mdelay with usleep_range in set_protocol"
Problem Details: This reverts commit be826ada52f1fcabed5b5217c94609ebf5967211. The function monitor_card() is a timer handler that runs in an atomic context, but it calls usleep_range() that can sleep. As a result, the sleep-in-atomic-context bugs will happen. The process is shown below: (atomic context) monitor_...
```diff diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index adaec8fd4b16..e656f42a28ac 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -529,7 +529,8 @@ static int set_protocol(struct cm4000_dev *dev, struct ptsreq *ptsreq) DEBUGP(5, dev, "NumRec...
6a8d013e904ad9a66706fcc926ec9993bed7d190
Analyze and fix the following issue in the Linux kernel code: ice: add missing checks for PF vsi type
Problem Details: There were a few places we had missed checking the VSI type to make sure it was definitely a PF VSI, before calling setup functions intended only for the PF VSI. This doesn't fix any explicit bugs but cleans up the code in a few places and removes one explicit != vsi->type check that can be superseded...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index d3ebfaf5a04b..c6d57f316429 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -6144,15 +6144,12 @@ int ice_vsi_cfg(struct ice_vsi *vsi) { int err; ...
8aa4318c3a122b8670bc09af142de3872ca63b88
Analyze and fix the following issue in the Linux kernel code: ice: restrict PTP HW clock freq adjustments to 100, 000, 000 PPB
Problem Details: The PHY provides only 39b timestamp. With current timing implementation, we discard lower 7b, leaving 32b timestamp. The driver reconstructs the full 64b timestamp by correlating the 32b timestamp with cached_time for performance. The reconstruction algorithm does both forward & backward interpolation....
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index d63161d73eb1..3abc8db1d065 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -2269,7 +2269,7 @@ static void ice_ptp_set_caps(struct ice_pf *pf) snprintf(...
fba3993e86cc44a4690f131bf16c57713a37ef1a
Analyze and fix the following issue in the Linux kernel code: most: fix kernel-doc warnings
Problem Details: Fix various W=1 kernel-doc warnings in drivers/most/: drivers/most/most_usb.c:669: warning: Excess function parameter 'data' description in 'link_stat_timer_handler' drivers/most/most_usb.c:769: warning: cannot understand function prototype: 'const struct file_operations hdm_usb_fops = ' drivers/most/...
```diff diff --git a/drivers/most/most_cdev.c b/drivers/most/most_cdev.c index 3722f9abd7b9..4ee536980f71 100644 --- a/drivers/most/most_cdev.c +++ b/drivers/most/most_cdev.c @@ -297,7 +297,7 @@ static __poll_t comp_poll(struct file *filp, poll_table *wait) return mask; } -/** +/* * Initialization of struct file...
ad228a3468d17257a112f0d50e06ff0851667210
Analyze and fix the following issue in the Linux kernel code: android: fix W=1 kernel-doc warnings
Problem Details: Clean up kernel-doc notation, use correct function and parameter names. drivers/android/binderfs.c:236: warning: expecting prototype for binderfs_ctl_ioctl(). Prototype was for binder_ctl_ioctl() instead drivers/android/binder.c:386: warning: expecting prototype for binder_node_unlock(). Prototype was...
```diff diff --git a/drivers/android/binder.c b/drivers/android/binder.c index a73df6b6c127..ca3034afd1dc 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -277,11 +277,11 @@ _binder_proc_lock(struct binder_proc *proc, int line) /** * binder_proc_unlock() - Release spinlock for given binder_p...
5342ab0af45064cbdc773645b93ab70c24ee161f
Analyze and fix the following issue in the Linux kernel code: tty: serial: qcom_geni: avoid duplicate struct member init
Problem Details: When -Woverride-init is enabled in a build, gcc points out that qcom_geni_serial_pm_ops contains conflicting initializers: drivers/tty/serial/qcom_geni_serial.c:1586:20: error: initialized field overwritten [-Werror=override-init] 1586 | .restore = qcom_geni_serial_sys_hib_resume, | ...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 49b9ffeae676..57f04f8bf504 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1530,7 +1530,7 @@ static int qcom_geni_serial_remove(struct platform_device *pdev) retu...
5bfdd3c654bd879bff50c2e85e42f85ae698b42f
Analyze and fix the following issue in the Linux kernel code: serial: atmel: fix incorrect baudrate setup
Problem Details: Commit ba47f97a18f2 ("serial: core: remove baud_rates when serial console setup") changed uart_set_options to select the correct baudrate configuration based on the absolute error between requested baudrate and available standard baudrate settings. Prior to that commit the baudrate was selected based o...
```diff diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index f1c06e12efa0..9cd7479b03c0 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -2657,13 +2657,7 @@ static void __init atmel_console_get_options(struct uart_port *port, int *baud, else...
5abbeebd8296c2301023b8dc4b5a6c0d5229b4f5
Analyze and fix the following issue in the Linux kernel code: tty: fix possible null-ptr-defer in spk_ttyio_release
Problem Details: Run the following tests on the qemu platform: syzkaller:~# modprobe speakup_audptr input: Speakup as /devices/virtual/input/input4 initialized device: /dev/synth, node (MAJOR 10, MINOR 125) speakup 3.1.6: initialized synth name on entry is: (null) synth probe spk_ttyio_initialise_ldisc failed be...
```diff diff --git a/drivers/accessibility/speakup/spk_ttyio.c b/drivers/accessibility/speakup/spk_ttyio.c index 08cf8a17754b..07373b3debd1 100644 --- a/drivers/accessibility/speakup/spk_ttyio.c +++ b/drivers/accessibility/speakup/spk_ttyio.c @@ -354,6 +354,9 @@ void spk_ttyio_release(struct spk_synth *in_synth) { s...
38f28cfe9d08e3a47ef008798b275fef8118fc20
Analyze and fix the following issue in the Linux kernel code: serial: tegra: Add missing clk_disable_unprepare() in tegra_uart_hw_init()
Problem Details: Add the missing clk_disable_unprepare() before return from tegra_uart_hw_init() in the error handling path. When request_irq() fails in tegra_uart_startup(), 'tup->uart_clk' has been enabled, fix it by adding clk_disable_unprepare(). Fixes: cc9ca4d95846 ("serial: tegra: Only print FIFO error message w...
```diff diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c index e5b9773db5e3..1cf08b33456c 100644 --- a/drivers/tty/serial/serial-tegra.c +++ b/drivers/tty/serial/serial-tegra.c @@ -1046,6 +1046,7 @@ static int tegra_uart_hw_init(struct tegra_uart_port *tup) if (tup->cdata->fifo_mode_...
c8f71b49ee4d28930c4a6798d1969fa91dc4ef3e
Analyze and fix the following issue in the Linux kernel code: serial: sc16is7xx: setup GPIO controller later in probe
Problem Details: The GPIO controller component of the sc16is7xx driver is setup too early, which can result in a race condition where another device tries to utilise the GPIO lines before the sc16is7xx device has finished initialising. This issue manifests itself as an Oops when the GPIO lines are configured: Una...
```diff diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 39f92eb1e698..29c94be09159 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1423,25 +1423,6 @@ static int sc16is7xx_probe(struct device *dev, } sched_set_fifo(s->kworker_task); -#ifdef CO...
ebd05c0e12edc568243056711ce00f79e19eab68
Analyze and fix the following issue in the Linux kernel code: drm/panel: vtdr6130: fix unused ret in visionox_vtdr6130_bl_update_status
Problem Details: Fix the following warning: panel-visionox-vtdr6130.c:249:12: warning: 'ret' is used uninitialized [-Wuninitialized] Fixes: 9402cde9347e ("drm/panel: vtdr6130: Use 16-bit brightness function") Reported-by: Daniel Vetter <daniel@ffwll.ch> Reported-by: kernel test robot <lkp@intel.com> Reviewed-by: Sam R...
```diff diff --git a/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c b/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c index 1092075b31a5..bb0dfd86ea67 100644 --- a/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c +++ b/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c @@ -243,13 +243,8 @@ static int visionox_vtdr6130_bl_...
fe6a00e8fcbecc8af36f8ba3b7bd5c8d28b10f05
Analyze and fix the following issue in the Linux kernel code: tty: serial: qcom-geni-serial: refactor qcom_geni_serial_isr()
Problem Details: Simplify the conditions in qcom_geni_serial_isr() and fix indentation. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20221229155030.418...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index f4e2486b2115..92aefd4f8527 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -827,20 +827,18 @@ static irqreturn_t qcom_geni_serial_isr(int isr, void *dev) if (m_i...
d8aca2f96813d51df574a811eda9a2cbed00f261
Analyze and fix the following issue in the Linux kernel code: tty: serial: qcom-geni-serial: stop operations in progress at shutdown
Problem Details: We don't stop transmissions in progress at shutdown. This is fine with FIFO SE mode but with DMA (support for which we'll introduce later) it causes trouble so fix it now. Fixes: e83766334f96 ("tty: serial: qcom_geni_serial: No need to stop tx/rx on UART shutdown") Signed-off-by: Bartosz Golaszewski <...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index b487823f0e61..4f4c12f3c433 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -880,6 +880,8 @@ static void get_tx_fifo_size(struct qcom_geni_serial_port *port) static ...
3831c2a454a1034944374391526515bd7debb1e4
Analyze and fix the following issue in the Linux kernel code: tty: vt: remove vc_uniscr_debug_check()
Problem Details: VC_UNI_SCREEN_DEBUG is always defined as 0, so this code is never executed. Drop it along with VC_UNI_SCREEN_DEBUG. Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20230112080136.4929-1-jirislaby@kernel....
```diff diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 62c8a45ad731..a51e87578902 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -323,8 +323,6 @@ void schedule_console_callback(void) #define get_vc_uniscr(vc) vc->vc_uni_screen #endif -#define VC_UNI_SCREEN_DEBUG 0 - typedef uint32_t ch...
509597ebcac4d61fc012ea3ccd364581a8ca3926
Analyze and fix the following issue in the Linux kernel code: tty: serial: imx: disable the break condition when shutdown the uart port
Problem Details: The comment in imx_uart_shutdown() says to disable the break condition, but it doesn't actually do that, here fix this by disabling UCR1_SNDBRK when closing the uart port like other uart drivers do. Signed-off-by: Sherry Sun <sherry.sun@nxp.com> Link: https://lore.kernel.org/r/20221214031137.28815-4-s...
```diff diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 757825edb0cd..74c9e68fc3bd 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1564,7 +1564,8 @@ static void imx_uart_shutdown(struct uart_port *port) spin_lock_irqsave(&sport->port.lock, flags); ucr1 = imx_uart_re...
c4c81db5cf8bc53d6160c3abf26d382c841aa434
Analyze and fix the following issue in the Linux kernel code: tty: serial: fsl_lpuart: disable the CTS when send break signal
Problem Details: LPUART IP has a bug that it treats the CTS as higher priority than the break signal, which cause the break signal sending through UARTCTRL_SBK may impacted by the CTS input if the HW flow control is enabled. Add this workaround patch to fix the IP bug, we can disable CTS before asserting SBK to avoid ...
```diff diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 8918e08bb19e..abe452f1a4bb 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1464,12 +1464,32 @@ static void lpuart_break_ctl(struct uart_port *port, int break_state) static void lpuart32...
4029dfc034febb54f6dd8ea83568accc943bc088
Analyze and fix the following issue in the Linux kernel code: tty: serial: fsl_lpuart: clear LPUART Status Register in lpuart32_shutdown()
Problem Details: The LPUART Status Register needs to be cleared when closing the uart port to get a clean environment when reopening the uart. Fixes: 380c966c093e ("tty: serial: fsl_lpuart: add 32-bit register interface support") Signed-off-by: Sherry Sun <sherry.sun@nxp.com> Link: https://lore.kernel.org/r/2022112510...
```diff diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 88697ddcd8c4..8918e08bb19e 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1799,6 +1799,10 @@ static void lpuart32_shutdown(struct uart_port *port) spin_lock_irqsave(&port->lock, flags...
1d4bd0e4ae4ba95892bef919a8d4d3f08f122d7e
Analyze and fix the following issue in the Linux kernel code: tty: serial: fsl_lpuart: disable Rx/Tx DMA in lpuart32_shutdown()
Problem Details: UARTBAUD_RDMAE and UARTBAUD_TDMAE are enabled in lpuart32_startup(), but lpuart32_shutdown() not disable them, only free the dma ring buffer and release the dma channels, so here disable the Rx/Tx DMA first in lpuart32_shutdown(). Fixes: 42b68768e51b ("serial: fsl_lpuart: DMA support for 32-bit varian...
```diff diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 9b8d32262f1e..88697ddcd8c4 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1799,6 +1799,11 @@ static void lpuart32_shutdown(struct uart_port *port) spin_lock_irqsave(&port->lock, flags...
db4df8e9d79e7d37732c1a1b560958e8dadfefa1
Analyze and fix the following issue in the Linux kernel code: tty: fix out-of-bounds access in tty_driver_lookup_tty()
Problem Details: When specifying an invalid console= device like console=tty3270, tty_driver_lookup_tty() returns the tty struct without checking whether index is a valid number. To reproduce: qemu-system-x86_64 -enable-kvm -nographic -serial mon:stdio \ -kernel ../linux-build-x86/arch/x86/boot/bzImage \ -append "con...
```diff diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 3149114bf130..36fb945fdad4 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1224,14 +1224,16 @@ static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, { struct tty_struct *tty; - if (driver->ops->lookup) + if...
b9f5a18a9d7c4c41325c72971abec19278c7c6e6
Analyze and fix the following issue in the Linux kernel code: serial: liteuart: minor style fix in liteuart_init()
Problem Details: Signed-off-by: Gabriel Somlo <gsomlo@gmail.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Jiri Slaby <jirislaby@kernel.org> Link: https://lore.kernel.org/r/20221123130500.1030189-6-gsomlo@gmail.com Signed-off-by: Greg ...
```diff diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c index c6eb7eba5af8..1e3429bcc2ad 100644 --- a/drivers/tty/serial/liteuart.c +++ b/drivers/tty/serial/liteuart.c @@ -397,12 +397,10 @@ static int __init liteuart_init(void) return res; res = platform_driver_register(&liteuart_platf...
f24771b62a83239f0dce816bddf0f6807f436235
Analyze and fix the following issue in the Linux kernel code: serial: stm32: Merge hard IRQ and threaded IRQ handling into single IRQ handler
Problem Details: Requesting an interrupt with IRQF_ONESHOT will run the primary handler in the hard-IRQ context even in the force-threaded mode. The force-threaded mode is used by PREEMPT_RT in order to avoid acquiring sleeping locks (spinlock_t) in hard-IRQ context. This combination makes it impossible and leads to "s...
```diff diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index a1490033aa16..1e24bee2b0ef 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -797,23 +797,9 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr) spin_unlock(&port->lock); ...
4f39aca2360c82dccd2f5179d77e94aab665bea6
Analyze and fix the following issue in the Linux kernel code: serial: amba-pl011: fix high priority character transmission in rs486 mode
Problem Details: In RS485 mode the transmission of a high priority character fails since it is written to the data register before the transmitter is enabled. Fix this in pl011_tx_chars() by enabling RS485 transmission before writing the character. Fixes: 8d479237727c ("serial: amba-pl011: add RS485 support") Cc: stab...
```diff diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index d75c39f4622b..d8c2f3455eeb 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1466,6 +1466,10 @@ static bool pl011_tx_chars(struct uart_amba_port *uap, bool from_irq) struct circ_buf *xmit ...
e8914b52e5b024e4af3d810a935fe0805eee8a36
Analyze and fix the following issue in the Linux kernel code: serial: pch_uart: Pass correct sg to dma_unmap_sg()
Problem Details: A local variable sg is used to store scatterlist pointer in pch_dma_tx_complete(). The for loop doing Tx byte accounting before dma_unmap_sg() alters sg in its increment statement. Therefore, the pointer passed into dma_unmap_sg() won't match to the one given to dma_map_sg(). To fix the problem, use p...
```diff diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index 3d54a43768cd..9576ba8bbc40 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -749,7 +749,7 @@ static void pch_dma_tx_complete(void *arg) uart_xmit_advance(port, sg_dma_len(sg)); async_tx_ack(p...
b8caf69a6946e18ffebad49847e258f5b6d52ac2
Analyze and fix the following issue in the Linux kernel code: tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer
Problem Details: Driver's probe allocates memory for RX FIFO (port->rx_fifo) based on default RX FIFO depth, e.g. 16. Later during serial startup the qcom_geni_serial_port_setup() updates the RX FIFO depth (port->rx_fifo_depth) to match real device capabilities, e.g. to 32. The RX UART handle code will read "port->rx...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index b487823f0e61..49b9ffeae676 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -864,9 +864,10 @@ out_unlock: return IRQ_HANDLED; } -static void get_tx_fifo_size(str...
39af728649b05e88a2b40e714feeee6451c3f18e
Analyze and fix the following issue in the Linux kernel code: device property: fix of node refcount leak in fwnode_graph_get_next_endpoint()
Problem Details: The 'parent' returned by fwnode_graph_get_port_parent() with refcount incremented when 'prev' is not NULL, it needs be put when finish using it. Because the parent is const, introduce a new variable to store the returned fwnode, then put it before returning from fwnode_graph_get_next_endpoint(). Fixe...
```diff diff --git a/drivers/base/property.c b/drivers/base/property.c index bbb3e499ff4a..083a95791d3b 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -997,26 +997,32 @@ struct fwnode_handle * fwnode_graph_get_next_endpoint(const struct fwnode_handle *fwnode, struct fwnode_handle *pre...
95e5fda3b5f9ed8239b145da3fa01e641cf5d53c
Analyze and fix the following issue in the Linux kernel code: ptdma: pt_core_execute_cmd() should use spinlock
Problem Details: The interrupt handler (pt_core_irq_handler()) of the ptdma driver can be called from interrupt context. The code flow in this function can lead down to pt_core_execute_cmd() which will attempt to grab a mutex, which is not appropriate in interrupt context and ultimately leads to a kernel panic. The fix...
```diff diff --git a/drivers/dma/ptdma/ptdma-dev.c b/drivers/dma/ptdma/ptdma-dev.c index 377da23012ac..a2bf13ff18b6 100644 --- a/drivers/dma/ptdma/ptdma-dev.c +++ b/drivers/dma/ptdma/ptdma-dev.c @@ -71,12 +71,13 @@ static int pt_core_execute_cmd(struct ptdma_desc *desc, struct pt_cmd_queue *cmd bool soc = FIELD_GET(D...
7d80dbd708c18c683dd34f79b600a05307707ce8
Analyze and fix the following issue in the Linux kernel code: usb: dwc3: fix extcon dependency
Problem Details: The dwc3 core support now links against the extcon subsystem, so it cannot be built-in when extcon is a loadable module: arm-linux-gnueabi-ld: drivers/usb/dwc3/core.o: in function `dwc3_get_extcon': core.c:(.text+0x572): undefined reference to `extcon_get_edev_by_phandle' arm-linux-gnueabi-ld: core.c:...
```diff diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index b2f72b0e75c6..be954a9abbe0 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -3,6 +3,7 @@ config USB_DWC3 tristate "DesignWare USB3 DRD Core Support" depends on (USB || USB_GADGET) && HAS_DMA + depends on (EXTCON |...
0220e4fe178c3390eb0291cdb34912d66972db8a
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix a memory leak with reused mmap_offset
Problem Details: drm_vma_node_allow() and drm_vma_node_revoke() should be called in balanced pairs. We call drm_vma_node_allow() once per-file everytime a user calls mmap_offset, but only call drm_vma_node_revoke once per-file on each mmap_offset. As the mmap_offset is reused by the client, the per-file vm_count may re...
```diff diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 0ad44f3868de..c7c252d4d366 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -697,7 +697,7 @@ insert: GEM_BUG_ON(lookup_mmo(obj, mmap_type) != mmo); out...
899d3a3c19ac0e5da013ce34833dccb97d19b5e4
Analyze and fix the following issue in the Linux kernel code: drm/drm_vma_manager: Add drm_vma_node_allow_once()
Problem Details: Currently there is no easy way for a drm driver to safely check and allow drm_vma_offset_node for a drm file just once. Allow drm drivers to call non-refcounted version of drm_vma_node_allow() so that a driver doesn't need to keep track of each drm_vma_node_allow() to call subsequent drm_vma_node_revok...
```diff diff --git a/drivers/gpu/drm/drm_vma_manager.c b/drivers/gpu/drm/drm_vma_manager.c index 7de37f8c68fd..83229a031af0 100644 --- a/drivers/gpu/drm/drm_vma_manager.c +++ b/drivers/gpu/drm/drm_vma_manager.c @@ -240,27 +240,8 @@ void drm_vma_offset_remove(struct drm_vma_offset_manager *mgr, } EXPORT_SYMBOL(drm_vma...