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11fcb81373de52eeb1d3ff135a8d24a4b18978d3
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sm8450: fix soundwire controllers node name
Problem Details: Fix the following dt bindings check: arch/arm64/boot/dts/qcom/sm8450-hdk.dtb: soundwire-controller@31f0000: $nodename:0: 'soundwire-controller@31f0000' does not match '^soundwire(@.*)?$' from schema $id: http://devicetree.org/schemas/soundwire/qcom,soundwire.yaml# Signed-off-by: Neil Armstrong...
```diff diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi index 12e55a0c7417..e5e8ce5e670e 100644 --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi @@ -2165,7 +2165,7 @@ #sound-dai-cells = <1>; }; - swr4: soundwire-controller@31f0000 {...
07c88da81caf0e72c3690b689d30f0d325cfeff4
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sm8550: fix soundwire controllers node name
Problem Details: Fix the following dt bindings check: arch/arm64/boot/dts/qcom/sm8550-mtp.dtb: soundwire-controller@6ab0000: $nodename:0: 'soundwire-controller@6ab0000' does not match '^soundwire(@.*)?$' from schema $id: http://devicetree.org/schemas/soundwire/qcom,soundwire.yaml# Signed-off-by: Neil Armstrong <neil.a...
```diff diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi index 7310a2a19f01..2fec3768c482 100644 --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi @@ -2056,7 +2056,7 @@ #sound-dai-cells = <1>; }; - swr3: soundwire-controller@6ab0000 {...
41673c66b3d0c09915698fec5c13b24336f18dd1
Analyze and fix the following issue in the Linux kernel code: mfd: syscon: Fix null pointer dereference in of_syscon_register()
Problem Details: kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: e15d7f2b81d2 ("mfd: syscon: Use a unique name with regmap_config") Signed-off-by: Kunwu Chan <chentao@kylinos.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/202312040924...
```diff diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index 57b29c325131..c9550368d9ea 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -105,6 +105,10 @@ static struct syscon *of_syscon_register(struct device_node *np, bool check_res) } syscon_config.name = kasprintf(GFP_KERNEL, "%pOFn@%...
e0cee8dc6757f9f18718eec553be9fffa503e103
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: qrb2210-rb1: use USB host mode
Problem Details: The default for the QCM2290 platform that this board is based on is OTG mode, however the role detection logic is not hooked up for this board and the dwc3 driver is configured to not allow role switching from userspace. Force this board to host mode as this is the preferred usecase until we get role ...
```diff diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts index bd7bcf803654..aa53b6af6d9c 100644 --- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts +++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts @@ -523,6 +523,10 @@ status = "okay"; }; +&usb_dwc3 { + dr_mode = "host"; +}...
1d103d6af241dbfc7e11eb9a46dff65db257a37f
Analyze and fix the following issue in the Linux kernel code: usb: typec: ucsi: fix UCSI on buggy Qualcomm devices
Problem Details: On sevral Qualcomm platforms (SC8180X, SM8350, SC8280XP) a call to UCSI_GET_PDOS for non-PD partners will cause a firmware crash with no easy way to recover from it. Since we have no easy way to determine whether the partner really has PD support, shortcut UCSI_GET_PDOS on such platforms. This allows u...
```diff diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 61b64558f96c..5392ec698959 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -578,6 +578,9 @@ static int ucsi_read_pdos(struct ucsi_connector *con, u64 command; int ret; + if (ucsi->quirks & UC...
70b139a7af7106b59ca5ca77673a9c56982b3089
Analyze and fix the following issue in the Linux kernel code: soc: qcom: stats: Express AOSS QMP module dependency
Problem Details: In the case that the Qualcomm Sleep stats driver is builtin and the AOSS QMP driver is built as a module, neither the implementation nor the stub functions are available during linking, resulting in the following errors: qcom_stats.c:(.text+0x33c): undefined reference to `qmp_send' qcom_stats.c:(....
```diff diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig index 2686fda9fe27..aa5956246f60 100644 --- a/drivers/soc/qcom/Kconfig +++ b/drivers/soc/qcom/Kconfig @@ -221,6 +221,7 @@ config QCOM_STATS tristate "Qualcomm Technologies, Inc. (QTI) Sleep stats driver" depends on (ARCH_QCOM && DEBUG_FS) || C...
73380e2573c34a45e01786750a4a2efafc2248bd
Analyze and fix the following issue in the Linux kernel code: soc: qcom: stats: fix 64-bit division
Problem Details: Unguarded 64-bit division is not allowed on 32-bit kernels because this is very slow. The result of trying anyway is a link failure: arm-linux-gnueabi-ld: drivers/soc/qcom/qcom_stats.o: in function `qcom_ddr_stats_show': qcom_stats.c:(.text+0x334): undefined reference to `__aeabi_uldivmod' As this fu...
```diff diff --git a/drivers/soc/qcom/qcom_stats.c b/drivers/soc/qcom/qcom_stats.c index 4763d62a8cb0..5ec8a754b22b 100644 --- a/drivers/soc/qcom/qcom_stats.c +++ b/drivers/soc/qcom/qcom_stats.c @@ -221,7 +221,7 @@ static int qcom_ddr_stats_show(struct seq_file *s, void *unused) for (i = 0; i < ddr.entry_count; i++...
1036f69e251380573e256568cf814506e3fb9988
Analyze and fix the following issue in the Linux kernel code: mmc: core: Cancel delayed work before releasing host
Problem Details: On RZ/Five SMARC EVK, where probing of SDHI is deferred due to probe deferral of the vqmmc-supply regulator: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at kernel/time/timer.c:1738 __run_timers.part.0+0x1d0/0x1e8 Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainte...
```diff diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 096093f7be00..2f51db4df1a8 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -692,6 +692,7 @@ EXPORT_SYMBOL(mmc_remove_host); */ void mmc_free_host(struct mmc_host *host) { + cancel_delayed_work_sync(&host->detect); m...
d685aea5e0a89b66679e5266320ab2ba4378c754
Analyze and fix the following issue in the Linux kernel code: ASoC: audio-graph-card2: fix off by one in graph_parse_node_multi_nm()
Problem Details: The > comparison should be >= to avoid writing one element beyond the end of the dai_link->ch_maps[] array. The dai_link->ch_maps[] array is allocated in graph_parse_node_multi() and it has "nm_max" elements. Fixes: e2de6808df4a ("ASoC: audio-graph-card2: add CPU:Codec = N:M support") Signed-off-by: ...
```diff diff --git a/sound/soc/generic/audio-graph-card2.c b/sound/soc/generic/audio-graph-card2.c index d9e10308a508..78d9679decda 100644 --- a/sound/soc/generic/audio-graph-card2.c +++ b/sound/soc/generic/audio-graph-card2.c @@ -557,7 +557,7 @@ static int graph_parse_node_multi_nm(struct snd_soc_dai_link *dai_link, ...
da2c1b861065b452590d75a1e2f5ee9b396fef92
Analyze and fix the following issue in the Linux kernel code: selftests/hid: fix failing tablet button tests
Problem Details: An overlook from commit 74452d6329be ("selftests/hid: tablets: add variants of states with buttons"), where I don't use the Enum... Fixes: 74452d6329be ("selftests/hid: tablets: add variants of states with buttons") Acked-by: Jiri Kosina <jkosina@suse.com> Link: https://lore.kernel.org/r/20231207-b4-w...
```diff diff --git a/tools/testing/selftests/hid/tests/test_tablet.py b/tools/testing/selftests/hid/tests/test_tablet.py index dc8b0fe9e7f3..903f19f7cbe9 100644 --- a/tools/testing/selftests/hid/tests/test_tablet.py +++ b/tools/testing/selftests/hid/tests/test_tablet.py @@ -115,7 +115,7 @@ class PenState(Enum): ...
e7794c14fd73e5eb4a3e0ecaa5334d5a17377c50
Analyze and fix the following issue in the Linux kernel code: mmc: rpmb: fixes pause retune on all RPMB partitions.
Problem Details: When RPMB was converted to a character device, it added support for multiple RPMB partitions (Commit 97548575bef3 ("mmc: block: Convert RPMB to a character device"). One of the changes in this commit was transforming the variable target_part defined in __mmc_blk_ioctl_cmd into a bitmask. This inadvert...
```diff diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index f9a5cffa64b1..134c36edb6cf 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -851,9 +851,10 @@ static const struct block_device_operations mmc_bdops = { static int mmc_blk_part_switch_pre(struct mmc_card *card, ...
9463571b29bf03a0dc1114f0cb17042b179066f9
Analyze and fix the following issue in the Linux kernel code: mmc: mtk-sd: Increase the verbosity of msdc_track_cmd_data
Problem Details: This log message is necessary for debugging, so enable it by default to debug issues that are hard to reproduce locally. Signed-off-by: Pin-yen Lin <treapking@chromium.org> Reviewed-by: Wenbin Mei <wenbin.mei@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.co...
```diff diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 97f7c3d4be6e..6ae5e0a9fca9 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -1149,9 +1149,11 @@ static void msdc_recheck_sdio_irq(struct msdc_host *host) static void msdc_track_cmd_data(struct msdc_host *host, s...
5a6c9a05e55cb2972396cc991af9d74c8c15029a
Analyze and fix the following issue in the Linux kernel code: drm: Fix FD ownership check in drm_master_check_perm()
Problem Details: The DRM subsystem keeps a record of the owner of a DRM device file descriptor using thread group ID (TGID) instead of process ID (PID), to ensures all threads within the same userspace process are considered the owner. However, the DRM master ownership check compares the current thread's PID against th...
```diff diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index 2ed2585ded37..6899b3dc1f12 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -236,7 +236,7 @@ static int drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv) { if (file_priv->was_master ...
0c679fffd67605a2c10a61a9a09890970eae11a9
Analyze and fix the following issue in the Linux kernel code: mfd: intel-lpss: Don't fail probe on success of pci_alloc_irq_vectors()
Problem Details: The pci_alloc_irq_vectors() returns a positive number on success. Hence we have to filter the negative numbers for error condition. Update the check accordingly. Fixes: e6951fb78787 ("mfd: intel-lpss: Use PCI APIs instead of dereferencing") Reported-by: Heikki Krogerus <heikki.krogerus@linux.intel.com...
```diff diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index 8f5e10817a9c..4621d3950b8f 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -44,7 +44,7 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev, return ret; ret = pci_alloc_irq_vectors(pdev, 1, 1...
7a29fa05aeca2c16193f00a883c56ffc7c25b6c5
Analyze and fix the following issue in the Linux kernel code: mfd: twl6030-irq: Revert to use of_match_device()
Problem Details: The core twl chip is probed via i2c and the dev->driver->of_match_table is NULL, causing the driver to fail to probe. This partially reverts: commit 1e0c866887f4 ("mfd: Use device_get_match_data() in a bunch of drivers") Fixes: 1e0c866887f4 ("mfd: Use device_get_match_data() in a bunch of drivers"...
```diff diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c index f9fce8408c2c..3c03681c124c 100644 --- a/drivers/mfd/twl6030-irq.c +++ b/drivers/mfd/twl6030-irq.c @@ -24,10 +24,10 @@ #include <linux/kthread.h> #include <linux/mfd/twl.h> #include <linux/platform_device.h> -#include <linux/property.h> ...
47b1b03dc56ebc302620ce43e967aa8f33516f6f
Analyze and fix the following issue in the Linux kernel code: mfd: cs42l43: Correct SoundWire port list
Problem Details: Two ports are missing from the port list, and the wrong port is set to 4 channels. Also the attempt to list them by function is rather misguided, there is nothing in the hardware that fixes a particular port to one function. Factor out the port properties to an actual struct, fixing the missing ports a...
```diff diff --git a/drivers/mfd/cs42l43-sdw.c b/drivers/mfd/cs42l43-sdw.c index 7392b3d2e6b9..4be4df9dd8cf 100644 --- a/drivers/mfd/cs42l43-sdw.c +++ b/drivers/mfd/cs42l43-sdw.c @@ -17,13 +17,12 @@ #include "cs42l43.h" -enum cs42l43_sdw_ports { - CS42L43_DMIC_DEC_ASP_PORT = 1, - CS42L43_SPK_TX_PORT, - CS42L43_SPD...
1fe13d83e2873b0aedeb5b9a299ca763bd37d75f
Analyze and fix the following issue in the Linux kernel code: mfd: Fix a few spelling mistakes in PMIC header file comments
Problem Details: Fix four comment typos in MFD PMIC header files. Reported-by: k2ci <kernel-bot@kylinos.cn> Signed-off-by: Kaihua Zhong <zhongkaihua@kylinos.cn> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20231129015526.3302865-1-zhongkaihua@kylinos.cn Signed-off-by: Lee Jones <le...
```diff diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h index 311f7d3d2323..54444ff2a5de 100644 --- a/include/linux/mfd/max77693-private.h +++ b/include/linux/mfd/max77693-private.h @@ -405,7 +405,7 @@ enum max77693_haptic_reg { MAX77693_HAPTIC_REG_END, }; -/* max77693-pmic...
3b6dba220e67eda42f1263403fbbba64992da3ae
Analyze and fix the following issue in the Linux kernel code: mfd: intel-lpss: Revert "Add missing check for platform_get_resource"
Problem Details: This reverts commit d918e0d5824495a75d00b879118b098fcab36fdb. The commit in question does not fix anything and only introduces a duplication in the code. The main intel_lpss_probe() performs all necessary checks. While at it and in order of avoiding similar patches to come, add a comment. Signed-off...
```diff diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c index 5184fd1a5df1..52ffc0d9c23f 100644 --- a/drivers/mfd/intel-lpss-acpi.c +++ b/drivers/mfd/intel-lpss-acpi.c @@ -182,10 +182,8 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev) if (!info) return -ENOMEM; + /* No...
4aedcd4aa61d536ca17e67ecd5bc5d42529164f4
Analyze and fix the following issue in the Linux kernel code: mfd: rk8xx: fixup devices registration with PLATFORM_DEVID_AUTO
Problem Details: Since commit 210f418f8ace ("mfd: rk8xx: Add rk806 support"), devices are registered with "0" as id, causing devices to not have an automatic device id and prevents having multiple RK8xx PMICs on the same system. Properly pass PLATFORM_DEVID_AUTO to devm_mfd_add_devices() and since it will ignore the c...
```diff diff --git a/drivers/mfd/rk8xx-core.c b/drivers/mfd/rk8xx-core.c index c47164a3ec1d..b1ffc3b9e2be 100644 --- a/drivers/mfd/rk8xx-core.c +++ b/drivers/mfd/rk8xx-core.c @@ -53,76 +53,68 @@ static const struct resource rk817_charger_resources[] = { }; static const struct mfd_cell rk805s[] = { - { .name = "rk80...
5f257922c5948c58669346d5cda371632108f266
Analyze and fix the following issue in the Linux kernel code: arm64: dts: fsd: add specific compatibles for Tesla FSD
Problem Details: Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the others it reuses several devices from older designs. Historically we kept the old (block's) compatible only. This works fine and there is no bug here, however guidelines expressed in Documentation/devicetree/bindings/writing-bindings...
```diff diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi index bb50a9f7db4a..9db162afc834 100644 --- a/arch/arm64/boot/dts/tesla/fsd.dtsi +++ b/arch/arm64/boot/dts/tesla/fsd.dtsi @@ -581,7 +581,7 @@ }; serial_0: serial@14180000 { - compatible = "samsung,exynos4210-uart"; + ...
bf1e24c5330af06b2f7f1a166a1011d8d48e8651
Analyze and fix the following issue in the Linux kernel code: dt-bindings: watchdog: samsung: add specific compatible for Tesla FSD
Problem Details: Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the others it reuses several devices from older designs. Historically we kept the old (block's) compatible only. This works fine and there is no bug here, however guidelines expressed in Documentation/devicetree/bindings/writing-bindings...
```diff diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml index 8fb6656ba0c2..ea2d206b05ab 100644 --- a/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml @@ -1...
54772f1d61cd99ea1ed0febd4187bf24ef63bccd
Analyze and fix the following issue in the Linux kernel code: dt-bindings: samsung: exynos-pmu: add specific compatible for Tesla FSD
Problem Details: Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the others it reuses several devices from older designs. Historically we kept the old (block's) compatible only. This works fine and there is no bug here, however guidelines expressed in Documentation/devicetree/bindings/writing-bindings...
```diff diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml index 28e2cb50d85e..65f77442ff23 100644 --- a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml +++ b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.ya...
921f4f1db7f5bf6798349db8a4382c032f144b98
Analyze and fix the following issue in the Linux kernel code: dt-bindings: serial: samsung: add specific compatible for Tesla FSD
Problem Details: Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the others it reuses several devices from older designs. Historically we kept the old (block's) compatible only. This works fine and there is no bug here, however guidelines expressed in Documentation/devicetree/bindings/writing-bindings...
```diff diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml index e32c1b462836..4b6fc82c2edf 100644 --- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml @@ -29,6 ...
edb32ec3cea79b518e6af841ecb01c839818f562
Analyze and fix the following issue in the Linux kernel code: dt-bindings: pwm: samsung: add specific compatible for Tesla FSD
Problem Details: Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the others it reuses several devices from older designs. Historically we kept the old (block's) compatible only. This works fine and there is no bug here, however guidelines expressed in Documentation/devicetree/bindings/writing-bindings...
```diff diff --git a/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml index 16de6434693b..17a2b927af33 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml +++ b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml @@ -33,6 +33,7 @@ propert...
7677fdbc036b93a882f660ca2484a6807e72f0be
Analyze and fix the following issue in the Linux kernel code: dt-bindings: i2c: exynos5: add specific compatible for Tesla FSD
Problem Details: Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the others it reuses several devices from older designs. Historically we kept the old (block's) compatible only. This works fine and there is no bug here, however guidelines expressed in Documentation/devicetree/bindings/writing-bindings...
```diff diff --git a/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml b/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml index c1f5d2cb7709..df9c57bca2a8 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml @@ -29,6 +29,7 @@ propert...
288f535951aa81ed674f5e5477ab11b9d9351b8c
Analyze and fix the following issue in the Linux kernel code: RDMA/hns: Fix memory leak in free_mr_init()
Problem Details: When a reserved QP fails to be created, the memory of the remaining created reserved QPs is leaked. Fixes: 70f92521584f ("RDMA/hns: Use the reserved loopback QPs to free MR before destroying MPT") Signed-off-by: Chengchang Tang <tangchengchang@huawei.com> Signed-off-by: Junxian Huang <huangjunxian6@hi...
```diff diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 93a71db527d8..b8dde04bd573 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -2710,6 +2710,10 @@ static int free_mr_alloc_res(struct hns_roce_dev *...
f31683a5227b1a0febae8e2a85d7fdf9514c10f1
Analyze and fix the following issue in the Linux kernel code: RDMA/hns: Remove unnecessary checks for NULL in mtr_alloc_bufs()
Problem Details: ib_umem_get() never return NULL. Fixes: 3c873161a0d7 ("RDMA/hns: Add support for addressing when hopnum is 0") Signed-off-by: Chengchang Tang <tangchengchang@huawei.com> Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com> Link: https://lore.kernel.org/r/20231207114231.2872104-5-huangjunxian6@hi...
```diff diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index d68074b6ca17..91cd580480fe 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -686,7 +686,7 @@ static int mtr_alloc_bufs(struct hns_roce_dev *hr_dev, struct hns...
4d0c8d0aef6355660b6775d57ccd5d4ea2e15802
Analyze and fix the following issue in the Linux kernel code: mmc: core: Use mrq.sbc in close-ended ffu
Problem Details: Field Firmware Update (ffu) may use close-ended or open ended sequence. Each such sequence is comprised of a write commands enclosed between 2 switch commands - to and from ffu mode. So for the close-ended case, it will be: cmd6->cmd23-cmd25-cmd6. Some host controllers however, get confused when multi...
```diff diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index f9a5cffa64b1..892e74e611a0 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -400,6 +400,10 @@ struct mmc_blk_ioc_data { struct mmc_ioc_cmd ic; unsigned char *buf; u64 buf_bytes; + unsigned int flags; +#define MMC...
e18a38660786dbe8536ecf74563df25936a3532a
Analyze and fix the following issue in the Linux kernel code: mmc: sdhci-of-dwcmshc: Use logical OR instead of bitwise OR in dwcmshc_probe()
Problem Details: Clang warns (or errors with CONFIG_WERROR=y): drivers/mmc/host/sdhci-of-dwcmshc.c:873:7: error: use of bitwise '|' with boolean operands [-Werror,-Wbitwise-instead-of-logical] 873 | if ((device_property_read_bool(dev, "mmc-ddr-1_8v")) | | ^~~~~~~~~~~~~...
```diff diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c index 0eb72544c09e..a1f57af6acfb 100644 --- a/drivers/mmc/host/sdhci-of-dwcmshc.c +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c @@ -870,9 +870,9 @@ static int dwcmshc_probe(struct platform_device *pdev) if (pltfm_data == &sdhci...
8c124d998ea0c9022e247b11ac51f86ec8afa0e1
Analyze and fix the following issue in the Linux kernel code: mmc: meson-mx-sdhc: Fix initialization frozen issue
Problem Details: Commit 4bc31edebde5 ("mmc: core: Set HS clock speed before sending HS CMD13") set HS clock (52MHz) before switching to HS mode. For this freq, FCLK_DIV5 will be selected and div value is 10 (reg value is 9). Then we set rx_clk_phase to 11 or 15 which is out of range and make hardware frozen. After we s...
```diff diff --git a/drivers/mmc/host/meson-mx-sdhc-mmc.c b/drivers/mmc/host/meson-mx-sdhc-mmc.c index 528ec8166e7c..1ed9731e77ef 100644 --- a/drivers/mmc/host/meson-mx-sdhc-mmc.c +++ b/drivers/mmc/host/meson-mx-sdhc-mmc.c @@ -269,7 +269,7 @@ static int meson_mx_sdhc_enable_clks(struct mmc_host *mmc) static int meson_...
a59c14f6b4caad7671dfb81737beba0b313897e4
Analyze and fix the following issue in the Linux kernel code: powerpc/book3s64: Avoid __pte_protnone() check in __pte_flags_need_flush()
Problem Details: This reverts commit 1abce0580b89 ("powerpc/64s: Fix __pte_needs_flush() false positive warning") The previous patch dropped the usage of _PAGE_PRIVILEGED with PAGE_NONE. Hence this check can be dropped. Signed-off-by: "Aneesh Kumar K.V (IBM)" <aneesh.kumar@kernel.org> Reviewed-by: Christophe Leroy <c...
```diff diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h index 1950c1b825b4..fd642b729775 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h @@ -158,11 +158,6 @@ static inline void flush_tlb_fix_spuriou...
ecd10702baae5c16a91d139bde7eff84ce55daee
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: Book3S HV: Handle pending exceptions on guest entry with MSR_EE
Problem Details: Commit 026728dc5d41 ("KVM: PPC: Book3S HV P9: Inject pending xive interrupts at guest entry") changed guest entry so that if external interrupts are enabled, BOOK3S_IRQPRIO_EXTERNAL is not tested for. Test for this regardless of MSR_EE. For an L1 host, do not inject an interrupt, but always use LPCR_M...
```diff diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 6d1f0bca27aa..4dc6a928073f 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -4738,13 +4738,19 @@ int kvmhv_run_single_vcpu(struct kvm_vcpu *vcpu, u64 time_limit, if (!nested) { kvmppc_core_prepar...
ce17aa4cf2db7d6b95a3f854ac52d0d49881dd49
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Intel: hda-codec: Delay the codec device registration
Problem Details: The current code flow is: 1. snd_hdac_device_register() 2. set parameters needed by the hdac driver 3. request_codec_module() the hdac driver is probed at this point During boot the codec drivers are not loaded when the hdac device is registered, it is going to be probed later when loading the code...
```diff diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c index 28ecbebb4b84..9f84b0d287a5 100644 --- a/sound/soc/sof/intel/hda-codec.c +++ b/sound/soc/sof/intel/hda-codec.c @@ -54,8 +54,16 @@ static int request_codec_module(struct hda_codec *codec) static int hda_codec_load_module(struc...
3bc05faf37876f99e2a7baffa9c66fdcfb11d1f7
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: properly support platform_data probing
Problem Details: The ksz driver has bits and pieces of platform_data probing support, but it doesn't work. The conventional thing to do is to have an encapsulating structure for struct dsa_chip_data that gets put into dev->platform_data. This driver expects a struct ksz_platform_data, but that doesn't contain a struct...
```diff diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 9545aed905f5..db1bbcf3a5f2 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -1673,15 +1673,23 @@ static const struct ksz_chip_data *ksz_lookup_info(unsigned int p...
6f3dd2c31d7d703a814c59f60daf95c57fa6a4c2
Analyze and fix the following issue in the Linux kernel code: mm/slub: fix bulk alloc and free stats
Problem Details: The SLUB sysfs stats enabled CONFIG_SLUB_STATS have two deficiencies identified wrt bulk alloc/free operations: - Bulk allocations from cpu freelist are not counted. Add the ALLOC_FASTPATH counter there. - Bulk fastpath freeing will count a list of multiple objects with a single FREE_FASTPATH inc...
```diff diff --git a/mm/slub.c b/mm/slub.c index 3f8b95757106..d7b0ca6012e0 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -396,6 +396,14 @@ static inline void stat(const struct kmem_cache *s, enum stat_item si) #endif } +static inline +void stat_add(const struct kmem_cache *s, enum stat_item si, int v) +{ +#ifdef CONFI...
cf9cb028ac56696ff879af1154c4b2f0b12701fd
Analyze and fix the following issue in the Linux kernel code: drm/i915: Use internal class when counting engine resets
Problem Details: Commit 503579448db9 ("drm/i915/gsc: Mark internal GSC engine with reserved uabi class") made the GSC0 engine not have a valid uabi class and so broke the engine reset counting, which in turn was made class based in cb823ed9915b ("drm/i915/gt: Use intel_gt as the primary object for handling resets"). D...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index d5ed904f355d..6801f8b95c53 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -1293,7 +1293,7 @@ int __intel_engine_reset_bh(struct intel_engine_cs *engine, const char ...
0647ece3819b018cb62a71c3bcb7c2c3243e78ac
Analyze and fix the following issue in the Linux kernel code: drm/i915/selftests: Fix engine reset count storage for multi-tile
Problem Details: Engine->id namespace is per-tile so struct igt_live_test->reset_engine[] needs to be two-dimensional so engine reset counts from all tiles can be stored with no aliasing. With aliasing, if we had a real multi-tile platform, the reset counts would be incorrect for same engine instance on different tiles...
```diff diff --git a/drivers/gpu/drm/i915/selftests/igt_live_test.c b/drivers/gpu/drm/i915/selftests/igt_live_test.c index 4ddc6d902752..7d41874a49c5 100644 --- a/drivers/gpu/drm/i915/selftests/igt_live_test.c +++ b/drivers/gpu/drm/i915/selftests/igt_live_test.c @@ -37,8 +37,9 @@ int igt_live_test_begin(struct igt_live...
76385d493c2137460ee7735a5d3a494099c35188
Analyze and fix the following issue in the Linux kernel code: drm/debugfs: fix potential NULL pointer dereference
Problem Details: encoder->funcs entry might be NULL, so check it first before calling its methods. This fixes NULL pointer dereference observed on Rasberry Pi 3b/4b boards. Fixes: caf525ed45b4 ("drm/encoder: register per-encoder debugfs dir") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Nishan...
```diff diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index 02e7481758c0..f4715a67e340 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -638,7 +638,7 @@ void drm_debugfs_encoder_add(struct drm_encoder *encoder) debugfs_create_file("bridges", 0444, root, en...
812cc1da7ffd9e178ef66b8a22113be10fba466c
Analyze and fix the following issue in the Linux kernel code: drm/bridge: Return NULL instead of plain 0 in drm_dp_hpd_bridge_register() stub
Problem Details: sparse complains: drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c: note: in included file: include/drm/bridge/aux-bridge.h:29:16: sparse: sparse: Using plain integer as NULL pointer Return NULL to clear up the warning. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/...
```diff diff --git a/include/drm/bridge/aux-bridge.h b/include/drm/bridge/aux-bridge.h index 66249ff0858e..c4c423e97f06 100644 --- a/include/drm/bridge/aux-bridge.h +++ b/include/drm/bridge/aux-bridge.h @@ -26,7 +26,7 @@ void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status sta static inline str...
03c0343bdf8d43fee6dfe92a7b66308b60e9e77c
Analyze and fix the following issue in the Linux kernel code: usb: typec: qcom-pmic-typec: Only select DRM_AUX_HPD_BRIDGE with OF
Problem Details: CONFIG_DRM_AUX_HPD_BRIDGE depends on CONFIG_OF but that dependency is not included when CONFIG_TYPEC_QCOM_PMIC selects it, resulting in a Kconfig warning when CONFIG_OF is disabled: WARNING: unmet direct dependencies detected for DRM_AUX_HPD_BRIDGE Depends on [n]: HAS_IOMEM [=y] && DRM_BRIDGE [=...
```diff diff --git a/drivers/usb/typec/tcpm/Kconfig b/drivers/usb/typec/tcpm/Kconfig index 64d5421c69e6..8cdd84ca5d6f 100644 --- a/drivers/usb/typec/tcpm/Kconfig +++ b/drivers/usb/typec/tcpm/Kconfig @@ -80,7 +80,7 @@ config TYPEC_QCOM_PMIC tristate "Qualcomm PMIC USB Type-C Port Controller Manager driver" depends o...
5908cbe82ef77f6019349c450d7f1c8b3c29bb0e
Analyze and fix the following issue in the Linux kernel code: usb: typec: nb7vpq904m: Only select DRM_AUX_BRIDGE with OF
Problem Details: CONFIG_DRM_AUX_BRIDGE depends on CONFIG_OF but that dependency is not included when CONFIG_TYPEC_MUX_NB7VPQ904M selects it, resulting in a Kconfig warning when CONFIG_OF is disabled: WARNING: unmet direct dependencies detected for DRM_AUX_BRIDGE Depends on [n]: HAS_IOMEM [=y] && DRM_BRIDGE [=y] ...
```diff diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig index 5120942f309d..38416fb0cc3c 100644 --- a/drivers/usb/typec/mux/Kconfig +++ b/drivers/usb/typec/mux/Kconfig @@ -40,7 +40,7 @@ config TYPEC_MUX_NB7VPQ904M tristate "On Semiconductor NB7VPQ904M Type-C redriver driver" depends on I2...
0ad722bd9ee3a9bdfca9613148645e4c9b7f26cf
Analyze and fix the following issue in the Linux kernel code: nfp: flower: fix for take a mutex lock in soft irq context and rcu lock
Problem Details: The neighbour event callback call the function nfp_tun_write_neigh, this function will take a mutex lock and it is in soft irq context, change the work queue to process the neighbour event. Move the nfp_tun_write_neigh function out of range rcu_read_lock/unlock() in function nfp_tunnel_request_route_v...
```diff diff --git a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c index 060a77f2265d..e522845c7c21 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c +++ b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c @@ -160,6 +160,18 @@ ...
5759aa4f956034b289b0ae2c99daddfc775442e1
Analyze and fix the following issue in the Linux kernel code: xfs: update dir3 leaf block metadata after swap
Problem Details: xfs_da3_swap_lastblock() copy the last block content to the dead block, but do not update the metadata in it. We need update some metadata for some kinds of type block, such as dir3 leafn block records its blkno, we shall update it to the dead block blkno. Otherwise, before write the xfs_buf to disk, t...
```diff diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c index e576560b46e9..282c7cf032f4 100644 --- a/fs/xfs/libxfs/xfs_da_btree.c +++ b/fs/xfs/libxfs/xfs_da_btree.c @@ -2316,10 +2316,17 @@ xfs_da3_swap_lastblock( return error; /* * Copy the last block into the dead buffer and log it. +...
e6af9c98cbf0164a619d95572136bfb54d482dd6
Analyze and fix the following issue in the Linux kernel code: xfs: ensure logflagsp is initialized in xfs_bmap_del_extent_real
Problem Details: In the case of returning -ENOSPC, ensure logflagsp is initialized by 0. Otherwise the caller __xfs_bunmapi will set uninitialized illegal tmp_logflags value into xfs log, which might cause unpredictable error in the log recovery procedure. Also, remove the flags variable and set the *logflagsp directl...
```diff diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 68be1dd4f0f2..ca6614f4eac5 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -5010,7 +5010,6 @@ xfs_bmap_del_extent_real( xfs_fileoff_t del_endoff; /* first offset past del */ int do_fx; /* free extent at end of ...
fa422b353d212373fb2b2857a5ea5a6fa4876f9c
Analyze and fix the following issue in the Linux kernel code: mm, pmem, xfs: Introduce MF_MEM_PRE_REMOVE for unbind
Problem Details: Now, if we suddenly remove a PMEM device(by calling unbind) which contains FSDAX while programs are still accessing data in this device, e.g.: ``` $FSSTRESS_PROG -d $SCRATCH_MNT -n 99999 -p 4 & # $FSX_PROG -N 1000000 -o 8192 -l 500000 $SCRATCH_MNT/t001 & echo "pfn1.1" > /sys/bus/nd/drivers/nd_pmem/u...
```diff diff --git a/drivers/dax/super.c b/drivers/dax/super.c index 0da9232ea175..f4b635526345 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -326,7 +326,8 @@ void kill_dax(struct dax_device *dax_dev) return; if (dax_dev->holder_data != NULL) - dax_holder_notify_failure(dax_dev, 0, U64_MAX, 0); ...
f556aa957df8cb3e98af0f54bf1fa65f59ae47a3
Analyze and fix the following issue in the Linux kernel code: selftests/hid: fix ruff linter complains
Problem Details: rename ambiguous variables l, r, and m, and ignore the return values of uhdev.get_evdev() and uhdev.get_slot() Acked-by: Jiri Kosina <jkosina@suse.com> Link: https://lore.kernel.org/r/20231206-wip-selftests-v2-15-c0350c2f5986@kernel.org Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
```diff diff --git a/tools/testing/selftests/hid/tests/test_mouse.py b/tools/testing/selftests/hid/tests/test_mouse.py index fd2ba62e783a..66daf7e5975c 100644 --- a/tools/testing/selftests/hid/tests/test_mouse.py +++ b/tools/testing/selftests/hid/tests/test_mouse.py @@ -52,13 +52,13 @@ class BaseMouse(base.UHIDTestDevi...
ed5bc56cedca19ac429533aa527bce5287ab0a5a
Analyze and fix the following issue in the Linux kernel code: selftests/hid: fix mypy complains
Problem Details: No code change, only typing information added/ignored Acked-by: Jiri Kosina <jkosina@suse.com> Link: https://lore.kernel.org/r/20231206-wip-selftests-v2-14-c0350c2f5986@kernel.org Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
```diff diff --git a/tools/testing/selftests/hid/tests/base.py b/tools/testing/selftests/hid/tests/base.py index 5d9c26dfc460..51433063b227 100644 --- a/tools/testing/selftests/hid/tests/base.py +++ b/tools/testing/selftests/hid/tests/base.py @@ -14,7 +14,7 @@ import logging from hidtools.device.base_device import B...
c598dc3bc41ed079408633d7d66eefa440e15a12
Analyze and fix the following issue in the Linux kernel code: gpio: sim: fix the email address in MODULE_AUTHOR()
Problem Details: Fix unterminated angle brackets in the email address in MODULE_AUTHOR(). Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
```diff diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c index 1928209491e1..1e8b92e9df80 100644 --- a/drivers/gpio/gpio-sim.c +++ b/drivers/gpio/gpio-sim.c @@ -1546,6 +1546,6 @@ static void __exit gpio_sim_exit(void) } module_exit(gpio_sim_exit); -MODULE_AUTHOR("Bartosz Golaszewski <brgl@bgdev.pl"); ...
a00be6dc9bb80796244196033aa5eb258b6af47a
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Intel: pci-mtl: fix ARL-S definitions
Problem Details: The initial copy/paste from MTL was incorrect, the hardware is different and requires different descriptors along with a dedicated firmware binary. Fixes: 3851831f529e ("ASoC: SOF: Intel: pci-mtl: use ARL specific firmware definitions") Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.i...
```diff diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index d628d6a3a7e5..1592e27bc14d 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -882,6 +882,7 @@ extern const struct sof_intel_dsp_desc ehl_chip_info; extern const struct sof_intel_dsp_desc jsl_chip_info; extern cons...
9e7dc39260edac180c206bb6149595a40eabae3e
Analyze and fix the following issue in the Linux kernel code: media: rockchip: rga: fix swizzling for RGB formats
Problem Details: When using 32 bit RGB formats, the RGA on the rk3568 produces wrong colors as the wrong color channels are read or written. The reason is that the format description for the channel swizzeling is wrong and the wrong bits are configured. For example, when converting ARGB32 to NV12, the alpha channel is...
```diff diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c index f1c532a5802a..25f5b5eebf13 100644 --- a/drivers/media/platform/rockchip/rga/rga.c +++ b/drivers/media/platform/rockchip/rga/rga.c @@ -184,25 +184,16 @@ static int rga_setup_ctrls(struct rga_ctx *ctx) static...
5d3c8990e2bbf929cb211563dadd70708f42e4e6
Analyze and fix the following issue in the Linux kernel code: media: cx231xx: fix a memleak in cx231xx_init_isoc
Problem Details: The dma_q->p_left_data alloced by kzalloc should be freed in all the following error handling paths. However, it hasn't been freed in the allocation error paths of dev->video_mode.isoc_ctl.urb and dev->video_mode.isoc_ctl.transfer_buffer. On the other hand, the dma_q->p_left_data did be freed in the e...
```diff diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c index 7b7e2a26ef93..d8312201694f 100644 --- a/drivers/media/usb/cx231xx/cx231xx-core.c +++ b/drivers/media/usb/cx231xx/cx231xx-core.c @@ -1023,6 +1023,7 @@ int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,...
b58253793f4fe7495af3157d7f29cf0919183009
Analyze and fix the following issue in the Linux kernel code: staging: media: VIDEO_STARFIVE_CAMSS should depend on ARCH_STARFIVE
Problem Details: The StarFive Camera Subsystem is only present on the StarFive JH7110 SoC. Hence add a dependency on ARCH_STARFIVE, to prevent asking the user about this driver when configuring a kernel without StarFive SoC support. Fixes: bba185d141b1 ("media: staging: media: starfive: camss: Add core driver") Signe...
```diff diff --git a/drivers/staging/media/starfive/camss/Kconfig b/drivers/staging/media/starfive/camss/Kconfig index bd184f42c98f..9ea5708fe409 100644 --- a/drivers/staging/media/starfive/camss/Kconfig +++ b/drivers/staging/media/starfive/camss/Kconfig @@ -5,6 +5,7 @@ config VIDEO_STARFIVE_CAMSS depends on VIDEO_DE...
15dfed5b4933564470d608705c1630b6ad822160
Analyze and fix the following issue in the Linux kernel code: media: chips-media: wave5: VIDEO_WAVE_VPU should depend on ARCH_K3
Problem Details: The Chips&Media Wave 5 Series multi-standard codec IP is currently only supported on Texas Instruments K3 architecture. Hence add a dependency on ARCH_K3, to prevent asking the user about this driver when configuring a kernel without Texas Instruments K3 Multicore SoC support. Fixes: 9707a6254a8a ("m...
```diff diff --git a/drivers/media/platform/chips-media/wave5/Kconfig b/drivers/media/platform/chips-media/wave5/Kconfig index 77e7ae5c8f35..9ccc1f7e32f3 100644 --- a/drivers/media/platform/chips-media/wave5/Kconfig +++ b/drivers/media/platform/chips-media/wave5/Kconfig @@ -3,6 +3,7 @@ config VIDEO_WAVE_VPU tristate ...
fca4797af415bd346c4b2737eee7bbbc4bf1866c
Analyze and fix the following issue in the Linux kernel code: media: staging: starfive: camss: fix off by one in isp_enum_mbus_code()
Problem Details: These > comparisons should be >=. The formats->fmts[] array is either a pointer to isp_formats_sink[] or isp_formats_source[] respectively. Fixes: e57854628f58 ("media: staging: media: starfive: camss: Add ISP driver") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Changhuang Li...
```diff diff --git a/drivers/staging/media/starfive/camss/stf-isp.c b/drivers/staging/media/starfive/camss/stf-isp.c index 6bffffb2b20c..d50616ef351e 100644 --- a/drivers/staging/media/starfive/camss/stf-isp.c +++ b/drivers/staging/media/starfive/camss/stf-isp.c @@ -120,7 +120,7 @@ static int isp_enum_mbus_code(struct ...
608ca5a60ee47b48fec210aeb7a795a64eb5dcee
Analyze and fix the following issue in the Linux kernel code: media: videobuf2-dma-sg: fix vmap callback
Problem Details: For dmabuf import users to be able to use the vaddr from another videobuf2-dma-sg source, the exporter needs to set a proper vaddr on vb2_dma_sg_dmabuf_ops_vmap callback. This patch adds vmap on map if buf->vaddr was not set. Cc: stable@kernel.org Fixes: 7938f4218168 ("dma-buf-map: Rename to iosys-map...
```diff diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c index 28f3fdfe23a2..6975a71d740f 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c @@ -487,9 +487,15 @@ vb2_dma_sg_dmabuf_ops_en...
90d50b8d85834e73536fdccd5aa913b30494fef0
Analyze and fix the following issue in the Linux kernel code: drm/mipi-dsi: Fix detach call without attach
Problem Details: It's been reported that DSI host driver's detach can be called without the attach ever happening: https://lore.kernel.org/all/20230412073954.20601-1-tony@atomide.com/ After reading the code, I think this is what happens: We have a DSI host defined in the device tree and a DSI peripheral under that h...
```diff diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 14201f73aab1..843a6dbda93a 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -347,7 +347,8 @@ static int mipi_dsi_remove_device_fn(struct device *dev, void *priv) { struct mipi_dsi_device *dsi...
32bd29b619638256c5b75fb021d6d9f12fc4a984
Analyze and fix the following issue in the Linux kernel code: drm/bridge: tc358767: Fix return value on error case
Problem Details: If the hpd_pin is invalid, the driver returns 'ret'. But 'ret' contains 0, instead of an error value. Return -EINVAL instead. Fixes: f25ee5017e4f ("drm/bridge: tc358767: add IRQ and HPD support") Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.c...
```diff diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index ef2e373606ba..615cc8f950d7 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -2273,7 +2273,7 @@ static int tc_probe(struct i2c_client *client) } else { if (tc->hpd_pin < 0 || tc-...
155d6fb61270dd297f128731cd155080deee8f3a
Analyze and fix the following issue in the Linux kernel code: drm/bridge: cdns-mhdp8546: Fix use of uninitialized variable
Problem Details: 'ret' could be uninitialized at the end of the function, although it's not clear if that can happen in practice. Fixes: 6a3608eae6d3 ("drm: bridge: cdns-mhdp8546: Enable HDCP") Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://pa...
```diff diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c index 946212a95598..5e3b8edcf794 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c @@ -403,7 +403,8 @@ static int _cdns_...
f9af8f0c1dc567a5a6a6318ff324c45d80d4a60f
Analyze and fix the following issue in the Linux kernel code: drm/framebuffer: Fix use of uninitialized variable
Problem Details: smatch reports: drivers/gpu/drm/drm_framebuffer.c:654 drm_mode_getfb2_ioctl() error: uninitialized symbol 'ret'. 'ret' is possibly not set when there are no errors, causing the error above. I can't say if that ever happens in real-life, but in any case I think it is good to initialize 'ret' to 0. Re...
```diff diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index 09e289fca5c3..3cc0ffc28e86 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -583,7 +583,7 @@ int drm_mode_getfb2_ioctl(struct drm_device *dev, struct drm_mode_fb_cmd2 *r = data; ...
1d3062fad9c7313fff9970a88e0538a24480ffb8
Analyze and fix the following issue in the Linux kernel code: drm/drm_file: fix use of uninitialized variable
Problem Details: smatch reports: drivers/gpu/drm/drm_file.c:967 drm_show_memory_stats() error: uninitialized symbol 'supported_status'. 'supported_status' is only set in one code path. I'm not familiar with the code to say if that path will always be ran in real life, but whether that is the case or not, I think it i...
```diff diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index 987c1a5d1773..8c87287c3e16 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -898,7 +898,7 @@ void drm_show_memory_stats(struct drm_printer *p, struct drm_file *file) { struct drm_gem_object *obj; struct dr...
a07d8fc358af5f297b41b2182a5fce710e3c9bd7
Analyze and fix the following issue in the Linux kernel code: doc: kunpeng_hccs: Fix incorrect email domain name
Problem Details: The email domain name in Contact is wrong. So this patch has to modify it. Signed-off-by: Huisong Li <lihuisong@huawei.com> Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
```diff diff --git a/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs b/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs index fdb4e36310fb..1666340820f7 100644 --- a/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs +++ b/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hc...
734add1a278f05db2d5a0b9d280a8bce94ce5eeb
Analyze and fix the following issue in the Linux kernel code: soc: hisilicon: kunpeng_hccs: Fix some incorrect format strings
Problem Details: Fix some incorrect format strings. Signed-off-by: Huisong Li <lihuisong@huawei.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
```diff diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c index e31791659560..dad6235dbf1a 100644 --- a/drivers/soc/hisilicon/kunpeng_hccs.c +++ b/drivers/soc/hisilicon/kunpeng_hccs.c @@ -155,7 +155,7 @@ static int hccs_register_pcc_channel(struct hccs_dev *hdev) cl_info->pcc_c...
0c7ed1f9197aecada33a08b022e484a97bf584ba
Analyze and fix the following issue in the Linux kernel code: net: dsa: mv88e6xxx: Restore USXGMII support for 6393X
Problem Details: In 4a56212774ac, USXGMII support was added for 6393X, but this was lost in the PCS conversion (the blamed commit), most likely because these efforts where more or less done in parallel. Restore this feature by porting Michal's patch to fit the new implementation. Reviewed-by: Florian Fainelli <floria...
```diff diff --git a/drivers/net/dsa/mv88e6xxx/pcs-639x.c b/drivers/net/dsa/mv88e6xxx/pcs-639x.c index 9a8429f5d09c..d758a6c1b226 100644 --- a/drivers/net/dsa/mv88e6xxx/pcs-639x.c +++ b/drivers/net/dsa/mv88e6xxx/pcs-639x.c @@ -465,6 +465,7 @@ mv88e639x_pcs_select(struct mv88e6xxx_chip *chip, int port, case PHY_INTERF...
3d501dd326fb1c73f1b8206d4c6e1d7b15c07e27
Analyze and fix the following issue in the Linux kernel code: tcp: do not accept ACK of bytes we never sent
Problem Details: This patch is based on a detailed report and ideas from Yepeng Pan and Christian Rossow. ACK seq validation is currently following RFC 5961 5.2 guidelines: The ACK value is considered acceptable only if it is in the range of ((SND.UNA - MAX.SND.WND) <= SEG.ACK <= SND.NXT). All incoming segm...
```diff diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 337c8bb07ccc..90de838a2745 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3871,8 +3871,12 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) * then we can probably ignore it. */ if (before(ack, prio...
5a08d0065a915ccf325563d7ca57fa8b4897881c
Analyze and fix the following issue in the Linux kernel code: ipv6: add debug checks in fib6_info_release()
Problem Details: Some elusive syzbot reports are hinting to fib6_info_release(), with a potential dangling f6i->gc_link anchor. Add debug checks so that syzbot can catch the issue earlier eventually. BUG: KASAN: slab-use-after-free in __hlist_del include/linux/list.h:990 [inline] BUG: KASAN: slab-use-after-free in hl...
```diff diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 1ba9f4ddf2f6..e1e7a894863a 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -328,8 +328,11 @@ static inline bool fib6_info_hold_safe(struct fib6_info *f6i) static inline void fib6_info_release(struct fib6_info *f6i) { - if (f6...
8d1b7809684c688005706125b804e1f9792d2b1b
Analyze and fix the following issue in the Linux kernel code: drm/exynos: fix a wrong error checking
Problem Details: Fix a wrong error checking in exynos_drm_dma.c module. In the exynos_drm_register_dma function, both arm_iommu_create_mapping() and iommu_get_domain_for_dev() functions are expected to return NULL as an error. However, the error checking is performed using the statement if(IS_ERR(mapping)), which doe...
```diff diff --git a/drivers/gpu/drm/exynos/exynos_drm_dma.c b/drivers/gpu/drm/exynos/exynos_drm_dma.c index a971590b8132..e2c7373f20c6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dma.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dma.c @@ -107,18 +107,16 @@ int exynos_drm_register_dma(struct drm_device *drm, struct devi...
73bf1c9ae6c054c53b8e84452c5e46f86dd28246
Analyze and fix the following issue in the Linux kernel code: drm/exynos: fix a potential error pointer dereference
Problem Details: Smatch reports the warning below: drivers/gpu/drm/exynos/exynos_hdmi.c:1864 hdmi_bind() error: 'crtc' dereferencing possible ERR_PTR() The return value of exynos_drm_crtc_get_by_type maybe ERR_PTR(-ENODEV), which can not be used directly. Fix this by checking the return value before using it. Signed-...
```diff diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index f3aaa4ea3e68..dd9903eab563 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1861,6 +1861,8 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)...
3f3cec031099c37513727efc978a12b6346e326d
Analyze and fix the following issue in the Linux kernel code: xfs: force small EFIs for reaping btree extents
Problem Details: Introduce the concept of a defer ops barrier to separate consecutively queued pending work items of the same type. With a barrier in place, the two work items will be tracked separately, and receive separate log intent items. The goal here is to prevent reaping of old metadata blocks from creating un...
```diff diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index c4480dec29ec..ecc2f7ec6991 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -182,6 +182,58 @@ static struct kmem_cache *xfs_defer_pending_cache; * Note that the continuation requested between t2 and t3 is likely ...
4c8ecd1cfdd01fb727121035014d9f654a30bdf2
Analyze and fix the following issue in the Linux kernel code: xfs: remove unused fields from struct xbtree_ifakeroot
Problem Details: Remove these unused fields since nobody uses them. They should have been removed years ago in a different cleanup series from Christoph Hellwig. Fixes: daf83964a3681 ("xfs: move the per-fork nextents fields into struct xfs_ifork") Fixes: f7e67b20ecbbc ("xfs: move the fork format fields into struct xf...
```diff diff --git a/fs/xfs/libxfs/xfs_btree_staging.h b/fs/xfs/libxfs/xfs_btree_staging.h index f0d2976050ae..5f638f711246 100644 --- a/fs/xfs/libxfs/xfs_btree_staging.h +++ b/fs/xfs/libxfs/xfs_btree_staging.h @@ -37,12 +37,6 @@ struct xbtree_ifakeroot { /* Number of bytes available for this fork in the inode. */ ...
3f113c2739b1b068854c7ffed635c2bd790d1492
Analyze and fix the following issue in the Linux kernel code: xfs: make xchk_iget safer in the presence of corrupt inode btrees
Problem Details: When scrub is trying to iget an inode, ensure that it won't end up deadlocked on a cycle in the inode btree by using an empty transaction to store all the buffers. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst...
```diff diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c index de24532fe083..23944fcc1a6c 100644 --- a/fs/xfs/scrub/common.c +++ b/fs/xfs/scrub/common.c @@ -733,6 +733,8 @@ xchk_iget( xfs_ino_t inum, struct xfs_inode **ipp) { + ASSERT(sc->tp != NULL); + return xfs_iget(sc->mp, sc->tp, inum, XFS_IGET_U...
94da54d582e6866a9613514b59f326456e88446d
Analyze and fix the following issue in the Linux kernel code: xfs: document what LARP means
Problem Details: Christoph requested a blurb somewhere explaining exactly what LARP means. I don't know of a good place other than the source code (debug knobs aren't covered in Documentation/), so here it is. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
```diff diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c index a3c6b1548723..871f16a4a5d8 100644 --- a/fs/xfs/xfs_sysfs.c +++ b/fs/xfs/xfs_sysfs.c @@ -229,6 +229,15 @@ pwork_threads_show( } XFS_SYSFS_ATTR_RW(pwork_threads); +/* + * The "LARP" (Logged extended Attribute Recovery Persistence) debugging knob + * s...
cf8f0e6c1429be7652869059ea44696b72d5b726
Analyze and fix the following issue in the Linux kernel code: xfs: fix 32-bit truncation in xfs_compute_rextslog
Problem Details: It's quite reasonable that some customer somewhere will want to configure a realtime volume with more than 2^32 extents. If they try to do this, the highbit32() call will truncate the upper bits of the xfs_rtbxlen_t and produce the wrong value for rextslog. This in turn causes the rsumlevels to be wr...
```diff diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index 1c9fed76a356..30a2844f62e3 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -1132,14 +1132,16 @@ xfs_rtbitmap_blockcount( /* * Compute the maximum level number of the realtime summary file, as defi...
a6a38f309afc4a7ede01242b603f36c433997780
Analyze and fix the following issue in the Linux kernel code: xfs: make rextslog computation consistent with mkfs
Problem Details: There's a weird discrepancy in xfsprogs dating back to the creation of the Linux port -- if there are zero rt extents, mkfs will set sb_rextents and sb_rextslog both to zero: sbp->sb_rextslog = (uint8_t)(rtextents ? libxfs_highbit32((unsigned int)rtextents) : 0); However, that's not the check t...
```diff diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index c269d704314d..1c9fed76a356 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -1130,6 +1130,18 @@ xfs_rtbitmap_blockcount( return howmany_64(rtextents, NBBY * mp->m_sb.sb_blocksize); } +/* + * Comput...
deb4cd8ba87f17b12c72b3827820d9c703e9fd95
Analyze and fix the following issue in the Linux kernel code: xfs: transfer recovered intent item ownership in ->iop_recover
Problem Details: Now that we pass the xfs_defer_pending object into the intent item recovery functions, we know exactly when ownership of the sole refcount passes from the recovery context to the intent done item. At that point, we need to null out dfp_intent so that the recovery mechanism won't release it. This shou...
```diff diff --git a/fs/xfs/libxfs/xfs_log_recover.h b/fs/xfs/libxfs/xfs_log_recover.h index 271a4ce7375c..13583df9f239 100644 --- a/fs/xfs/libxfs/xfs_log_recover.h +++ b/fs/xfs/libxfs/xfs_log_recover.h @@ -155,5 +155,7 @@ xlog_recover_resv(const struct xfs_trans_res *r) void xlog_recover_intent_item(struct xlog *lo...
03f7767c9f6120ac933378fdec3bfd78bf07bc11
Analyze and fix the following issue in the Linux kernel code: xfs: use xfs_defer_pending objects to recover intent items
Problem Details: One thing I never quite got around to doing is porting the log intent item recovery code to reconstruct the deferred pending work state. As a result, each intent item open codes xfs_defer_finish_one in its recovery method, because that's what the EFI code did before xfs_defer.c even existed. This is ...
```diff diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index f71679ce23b9..363da37a8e7f 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -245,23 +245,53 @@ xfs_defer_create_intents( return ret; } -STATIC void +static inline void xfs_defer_pending_abort( + struct xfs_mo...
07bcbdf020c9fd3c14bec51c50225a2a02707b94
Analyze and fix the following issue in the Linux kernel code: xfs: don't leak recovered attri intent items
Problem Details: If recovery finds an xattr log intent item calling for the removal of an attribute and the file doesn't even have an attr fork, we know that the removal is trivially complete. However, we can't just exit the recovery function without doing something about the recovered log intent item -- it's still on...
```diff diff --git a/fs/xfs/xfs_attr_item.c b/fs/xfs/xfs_attr_item.c index 36fe2abb16e6..11e88a76a33c 100644 --- a/fs/xfs/xfs_attr_item.c +++ b/fs/xfs/xfs_attr_item.c @@ -329,6 +329,13 @@ xfs_xattri_finish_update( goto out; } + /* If an attr removal is trivially complete, we're done. */ + if (attr->xattri_op_fla...
55e23aa95b10731c08ab207a42d868aaff3bd2a5
Analyze and fix the following issue in the Linux kernel code: staging: vc04_services: Drop vchiq_log_debug() in favour of dev_dbg
Problem Details: Drop vchiq_log_debug() macro which wraps dev_dbg(). Introduce the usage of dev_dbg() directly. Meanwhile at it, drop the usage of __func__ from the logs. Dynamic debug supports this via the 'f' decorator flag. Remove the entry from TODO regarding custom logging. VC04 is now aligned according to the ...
```diff diff --git a/drivers/staging/vc04_services/interface/TODO b/drivers/staging/vc04_services/interface/TODO index 6d9d4a800aa7..05eb5140d096 100644 --- a/drivers/staging/vc04_services/interface/TODO +++ b/drivers/staging/vc04_services/interface/TODO @@ -23,11 +23,6 @@ should properly handle a module unload. This a...
078666d7ee6d3cccc1717212b24562649906a30f
Analyze and fix the following issue in the Linux kernel code: staging: vc04_services: Drop vchiq_log_trace() in favour of dev_dbg
Problem Details: Drop vchiq_log_trace() macro which wraps dev_dbg(). Introduce the usage of dev_dbg() directly. Meanwhile at it, drop the usage of __func__ from the logs. Dynamic debug supports this via the 'f' decorator flag. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Link: https://lore.kernel.org/r/20...
```diff diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 56326b59a718..e337b8387647 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm...
1eaea4b3604eb9ca7d9a1e73d88fc121bb4061f5
Analyze and fix the following issue in the Linux kernel code: software node: Let args be NULL in software_node_get_reference_args
Problem Details: fwnode_get_property_reference_args() may not be called with args argument NULL and while OF already supports this. Add the missing NULL check. The purpose is to be able to count the references. Fixes: b06184acf751 ("software node: Add software_node_get_reference_args()") Signed-off-by: Sakari Ailus <...
```diff diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index f7c4317b2ccf..36512fb75a20 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -541,6 +541,9 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode, if (nargs > NR_FWNODE_REFERENCE_ARGS) return -EINVAL; + if (!...
bef52aa0f3de1b7d8c258c13b16e577361dabf3a
Analyze and fix the following issue in the Linux kernel code: acpi: property: Let args be NULL in __acpi_node_get_property_reference
Problem Details: fwnode_get_property_reference_args() may not be called with args argument NULL on ACPI, OF already supports this. Add the missing NULL checks and document this. The purpose is to be able to count the references. Fixes: 977d5ad39f3e ("ACPI: Convert ACPI reference args to generic fwnode reference args"...
```diff diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 6979a3f9f90a..4d042673d57b 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -852,6 +852,7 @@ static int acpi_get_ref_args(struct fwnode_reference_args *args, * @index: Index of the reference to return * @num_args: Maxi...
b17b70212dbf3f60ab95eb563dc165d235e75336
Analyze and fix the following issue in the Linux kernel code: fs/sysfs/dir.c : Fix typo in comment
Problem Details: Typo correction kboject => kobject Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com> Link: https://lore.kernel.org/r/1698661274-32540-1-git-send-email-quic_mojha@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index b6b6796e1616..4df2afa551dc 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -81,7 +81,7 @@ void sysfs_remove_dir(struct kobject *kobj) struct kernfs_node *kn = kobj->sd; /* - * In general, kboject owner is responsible for ensuring removal + * In gene...
48b5928e18dc27e05cab3dc4c78cd8a15baaf1e5
Analyze and fix the following issue in the Linux kernel code: base/node.c: initialize the accessor list before registering
Problem Details: The current code registers the node as available in the node array before initializing the accessor list. This makes it so that anything which might access the accessor list as a result of allocations will cause an undefined memory access. In one example, an extension to access hmat data during inter...
```diff diff --git a/drivers/base/node.c b/drivers/base/node.c index 493d533f8375..4d588f4658c8 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -868,11 +868,15 @@ int __register_one_node(int nid) { int error; int cpu; + struct node *node; - node_devices[nid] = kzalloc(sizeof(struct node), GFP_KERNE...
b7c1e53751cb3990153084f31c41f25fde3b629c
Analyze and fix the following issue in the Linux kernel code: nvmem: Do not expect fixed layouts to grab a layout driver
Problem Details: Two series lived in parallel for some time, which led to this situation: - The nvmem-layout container is used for dynamic layouts - We now expect fixed layouts to also use the nvmem-layout container but this does not require any additional driver, the support is built-in the nvmem core. Ensure we don'...
```diff diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index bf42b7e826db..608b352a7d91 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -796,6 +796,12 @@ static struct nvmem_layout *nvmem_layout_get(struct nvmem_device *nvmem) if (!layout_np) return NULL; + /* Fixed layouts don't have a...
8c016c807a90535432543204dbbb032e4a709009
Analyze and fix the following issue in the Linux kernel code: drivers: soc: xilinx: Fix error message on SGI registration failure
Problem Details: Failure to register SGI for firmware event notification is non-fatal error when feature is not supported by other modules such as Xen and TF-A. Add _info level log message for such special case. Also add XST_PM_INVALID_VERSION error code and map it to -EOPNOSUPP Linux kernel error code. If feature is ...
```diff diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 533679a07b57..077b49e440b5 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -92,6 +92,8 @@ static int zynqmp_pm_ret_code(u32 ret_status) return 0; case XST_PM_NO_FEATURE: return ...
a070830096e44ddaa64931d831f07e944d920c79
Analyze and fix the following issue in the Linux kernel code: drivers/comedi: use standard array-copy-function
Problem Details: comedi_fops.c utilizes memdup_user() to copy a userspace array. The new function memdup_array_user() provides a standardized way to copy userspace-arrays. It makes it easier to see that an array is being copied and, additionally, performs a generic overflow-check which might help make the code more ro...
```diff diff --git a/drivers/comedi/comedi_fops.c b/drivers/comedi/comedi_fops.c index 1548dea15df1..1b481731df96 100644 --- a/drivers/comedi/comedi_fops.c +++ b/drivers/comedi/comedi_fops.c @@ -1714,8 +1714,8 @@ static int __comedi_get_user_chanlist(struct comedi_device *dev, lockdep_assert_held(&dev->mutex); cm...
f0b9d97a77fa8f18400450713358303a435ab688
Analyze and fix the following issue in the Linux kernel code: serial: ma35d1: Validate console index before assignment
Problem Details: The console is immediately assigned to the ma35d1 port without checking its index. This oversight can lead to out-of-bounds errors when the index falls outside the valid '0' to MA35_UART_NR range. Such scenario trigges ran error like the following: UBSAN: array-index-out-of-bounds in drivers/tty/seri...
```diff diff --git a/drivers/tty/serial/ma35d1_serial.c b/drivers/tty/serial/ma35d1_serial.c index a6a7c405892e..21b574f78b86 100644 --- a/drivers/tty/serial/ma35d1_serial.c +++ b/drivers/tty/serial/ma35d1_serial.c @@ -552,11 +552,19 @@ static void ma35d1serial_console_putchar(struct uart_port *port, unsigned char c ...
21528c69a0d8483f7c6345b1a0bc8d8975e9a172
Analyze and fix the following issue in the Linux kernel code: rootfs: Fix support for rootfstype= when root= is given
Problem Details: Documentation/filesystems/ramfs-rootfs-initramfs.rst states: If CONFIG_TMPFS is enabled, rootfs will use tmpfs instead of ramfs by default. To force ramfs, add "rootfstype=ramfs" to the kernel command line. This currently does not work when root= is provided since then saved_root_name contains...
```diff diff --git a/init/do_mounts.c b/init/do_mounts.c index 5fdef94f0864..279ad28bf4fb 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -510,7 +510,10 @@ struct file_system_type rootfs_fs_type = { void __init init_rootfs(void) { - if (IS_ENABLED(CONFIG_TMPFS) && !saved_root_name[0] && - (!root_fs_names |...
61890dc28f7d9e9aac8a9471302613824c22fae4
Analyze and fix the following issue in the Linux kernel code: usb: gadget: f_hid: fix report descriptor allocation
Problem Details: The commit 89ff3dfac604 ("usb: gadget: f_hid: fix f_hidg lifetime vs cdev") has introduced a bug that leads to hid device corruption after the replug operation. Reverse device managed memory allocation for the report descriptor to fix the issue. Tested: This change was tested on the AMD EthanolX CRB s...
```diff diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index ea85e2c701a1..3c8a9dd585c0 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -92,6 +92,7 @@ static void hidg_release(struct device *dev) { struct f_hidg *hidg = container_o...
675abf8df1353e0e3bde314993e0796c524cfbf0
Analyze and fix the following issue in the Linux kernel code: nilfs2: prevent WARNING in nilfs_sufile_set_segment_usage()
Problem Details: If nilfs2 reads a disk image with corrupted segment usage metadata, and its segment usage information is marked as an error for the segment at the write location, nilfs_sufile_set_segment_usage() can trigger WARN_ONs during log writing. Segments newly allocated for writing with nilfs_sufile_alloc() wi...
```diff diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c index 2c6078a6b8ec..58ca7c936393 100644 --- a/fs/nilfs2/sufile.c +++ b/fs/nilfs2/sufile.c @@ -501,15 +501,38 @@ int nilfs_sufile_mark_dirty(struct inode *sufile, __u64 segnum) down_write(&NILFS_MDT(sufile)->mi_sem); ret = nilfs_sufile_get_segment_usage_...
4a3ef6be03e6700037fc20e63aa5ffd972e435ca
Analyze and fix the following issue in the Linux kernel code: mm/hugetlb: have CONFIG_HUGETLB_PAGE select CONFIG_XARRAY_MULTI
Problem Details: After commit a08c7193e4f1 "mm/filemap: remove hugetlb special casing in filemap.c", hugetlb pages are stored in the page cache in base page sized indexes. This leads to multi index stores in the xarray which is only supporting through CONFIG_XARRAY_MULTI. The other page cache user of multi index stor...
```diff diff --git a/fs/Kconfig b/fs/Kconfig index fd1f655b4f1f..42837617a55b 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -268,6 +268,7 @@ config HUGETLBFS config HUGETLB_PAGE def_bool HUGETLBFS + select XARRAY_MULTI config HUGETLB_PAGE_OPTIMIZE_VMEMMAP def_bool HUGETLB_PAGE ```
801a2b1b49f4dcf06703130922806e9c639c2ca8
Analyze and fix the following issue in the Linux kernel code: scripts/gdb: fix lx-device-list-bus and lx-device-list-class
Problem Details: After the conversion to bus_to_subsys() and class_to_subsys(), the gdb scripts listing the system buses and classes respectively was broken, fix those by returning the subsys_priv pointer and have the various caller de-reference either the 'bus' or 'class' structure members accordingly. Link: https://...
```diff diff --git a/scripts/gdb/linux/device.py b/scripts/gdb/linux/device.py index 16376c5cfec6..0eabc5f4f8ca 100644 --- a/scripts/gdb/linux/device.py +++ b/scripts/gdb/linux/device.py @@ -36,26 +36,26 @@ def for_each_bus(): for kobj in kset_for_each_object(gdb.parse_and_eval('bus_kset')): subsys = cont...
73424d00dc63ba681856e06cfb0a5abbdb62e2b5
Analyze and fix the following issue in the Linux kernel code: highmem: fix a memory copy problem in memcpy_from_folio
Problem Details: Clang static checker complains that value stored to 'from' is never read. And memcpy_from_folio() only copy the last chunk memory from folio to destination. Use 'to += chunk' to replace 'from += chunk' to fix this typo problem. Link: https://lkml.kernel.org/r/20231130034017.1210429-1-suhui@nfschina....
```diff diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 4cacc0e43b51..be20cff4ba73 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -454,7 +454,7 @@ static inline void memcpy_from_folio(char *to, struct folio *folio, memcpy(to, from, chunk); kunmap_local(from); - from ...
d61d0ab573649789bf9eb909c89a1a193b2e3d10
Analyze and fix the following issue in the Linux kernel code: nilfs2: fix missing error check for sb_set_blocksize call
Problem Details: When mounting a filesystem image with a block size larger than the page size, nilfs2 repeatedly outputs long error messages with stack traces to the kernel log, such as the following: getblk(): invalid block size 8192 requested logical block size: 512 ... Call Trace: dump_stack_lvl+0x92/0xd4 d...
```diff diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index 0f0667957c81..71400496ed36 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -716,7 +716,11 @@ int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data) goto failed_sbh; } nilfs_release_super_block(nilfs...
dccf78d39f1069a5ddf4328bf0c97aa5f2f4296e
Analyze and fix the following issue in the Linux kernel code: kernel/Kconfig.kexec: drop select of KEXEC for CRASH_DUMP
Problem Details: Ignat Korchagin complained that a potential config regression was introduced by commit 89cde455915f ("kexec: consolidate kexec and crash options into kernel/Kconfig.kexec"). Before the commit, CONFIG_CRASH_DUMP has no dependency on CONFIG_KEXEC. After the commit, CRASH_DUMP selects KEXEC. That enfor...
```diff diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h index e62832dcba76..a8287e7ab9d4 100644 --- a/arch/arm/include/asm/kexec.h +++ b/arch/arm/include/asm/kexec.h @@ -2,8 +2,6 @@ #ifndef _ARM_KEXEC_H #define _ARM_KEXEC_H -#ifdef CONFIG_KEXEC - /* Maximum physical address we can use page...
8e92157d7f6190c86bfd6144a409001469827100
Analyze and fix the following issue in the Linux kernel code: units: add missing header
Problem Details: BITS_PER_BYTE is defined in bits.h. Link: https://lkml.kernel.org/r/20231128174404.393393-1-andriy.shevchenko@linux.intel.com Fixes: e8eed5f7366f ("units: Add BYTES_PER_*BIT") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Cc: Damia...
```diff diff --git a/include/linux/units.h b/include/linux/units.h index ff1bd6b5f5b3..45110daaf8d3 100644 --- a/include/linux/units.h +++ b/include/linux/units.h @@ -2,6 +2,7 @@ #ifndef _LINUX_UNITS_H #define _LINUX_UNITS_H +#include <linux/bits.h> #include <linux/math.h> /* Metric prefixes in accordance with ...
4e9e2e4c65136dfd32dd0afe555961433d1cf906
Analyze and fix the following issue in the Linux kernel code: drivers/base/cpu: crash data showing should depends on KEXEC_CORE
Problem Details: After commit 88a6f8994421 ("crash: memory and CPU hotplug sysfs attributes"), on x86_64, if only below kernel configs related to kdump are set, compiling error are triggered. ---- CONFIG_CRASH_CORE=y CONFIG_KEXEC_CORE=y CONFIG_CRASH_DUMP=y CONFIG_CRASH_HOTPLUG=y ------ -------------------------------...
```diff diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 9ea22e165acd..548491de818e 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -144,7 +144,7 @@ static DEVICE_ATTR(release, S_IWUSR, NULL, cpu_release_store); #endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */ #endif /* CONFIG_HOTPLUG_CPU */ -#ifdef...
7d6fa31a2fd7072376b3c8be66bf8527b2c8208c
Analyze and fix the following issue in the Linux kernel code: mm/damon/sysfs-schemes: add timeout for update_schemes_tried_regions
Problem Details: If a scheme is set to not applied to any monitoring target region for any reasons including the target access pattern, quota, filters, or watermarks, writing 'update_schemes_tried_regions' to 'state' DAMON sysfs file can indefinitely hang. Fix the case by implementing a timeout for the operation. The...
```diff diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index be667236b8e6..fe0fe2562000 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -139,6 +139,13 @@ static const struct kobj_type damon_sysfs_scheme_region_ktype = { * damon_sysfs_before_damos_apply() understands the situa...
854f2764b5771e450b44e6a5fddb6872deb5bb56
Analyze and fix the following issue in the Linux kernel code: scripts/gdb/tasks: fix lx-ps command error
Problem Details: Since commit 8e1f385104ac ("kill task_struct->thread_group") remove the thread_group, we will encounter below issue. (gdb) lx-ps TASK PID COMM 0xffff800086503340 0 swapper/0 Python Exception <class 'gdb.error'>: There is no member named thread_group. Error occurred in Python: The...
```diff diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py index 17ec19e9b5bf..aa5ab6251f76 100644 --- a/scripts/gdb/linux/tasks.py +++ b/scripts/gdb/linux/tasks.py @@ -13,7 +13,7 @@ import gdb -from linux import utils +from linux import utils, lists task_type = utils.CachedType("struct task...
f39fb633fe9b9a4a7572ec32debf766d971a500b
Analyze and fix the following issue in the Linux kernel code: selftests/mm: prevent duplicate runs caused by TEST_GEN_PROGS
Problem Details: Commit 05f1edac8009 ("selftests/mm: run all tests from run_vmtests.sh") fixed the inconsistency caused by tests being defined as TEST_GEN_PROGS. This issue was leading to tests not being executed via run_vmtests.sh and furthermore some tests running twice due to the kselftests wrapper also executing t...
```diff diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile index 78dfec8bc676..dede0bcf97a3 100644 --- a/tools/testing/selftests/mm/Makefile +++ b/tools/testing/selftests/mm/Makefile @@ -60,7 +60,7 @@ TEST_GEN_FILES += mrelease_test TEST_GEN_FILES += mremap_dontunmap TEST_GEN_FILES...
1f3730fd9e8d4d77fb99c60d0e6ad4b1104e7e04
Analyze and fix the following issue in the Linux kernel code: mm/damon/core: copy nr_accesses when splitting region
Problem Details: Regions split function ('damon_split_region_at()') is called at the beginning of an aggregation interval, and when DAMOS applying the actions and charging quota. Because 'nr_accesses' fields of all regions are reset at the beginning of each aggregation interval, and DAMOS was applying the action at th...
```diff diff --git a/mm/damon/core.c b/mm/damon/core.c index 6262d55904e7..ce1562783e7e 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1225,6 +1225,7 @@ static void damon_split_region_at(struct damon_target *t, new->age = r->age; new->last_nr_accesses = r->last_nr_accesses; new->nr_accesses_bp = r->nr_acc...