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0a790040838c736495d5afd6b2d636f159f817f1
Analyze and fix the following issue in the Linux kernel code: cachefiles: add spin_lock for cachefiles_ondemand_info
Problem Details: The following concurrency may cause a read request to fail to be completed and result in a hung: t1 | t2 --------------------------------------------------------- cachefiles_ondemand_copen req = xa_erase(&cach...
```diff diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h index 7745b8abc3aa..45c8bed60538 100644 --- a/fs/cachefiles/internal.h +++ b/fs/cachefiles/internal.h @@ -55,6 +55,7 @@ struct cachefiles_ondemand_info { int ondemand_id; enum cachefiles_object_state state; struct cachefiles_object *objec...
da4a827416066191aafeeccee50a8836a826ba10
Analyze and fix the following issue in the Linux kernel code: cachefiles: fix slab-use-after-free in cachefiles_ondemand_daemon_read()
Problem Details: We got the following issue in a fuzz test of randomly issuing the restore command: ================================================================== BUG: KASAN: slab-use-after-free in cachefiles_ondemand_daemon_read+0xb41/0xb60 Read of size 8 at addr ffff888122e84088 by task ondemand-04-dae/963 CPU:...
```diff diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c index c011fb24d238..3dd002108a87 100644 --- a/fs/cachefiles/ondemand.c +++ b/fs/cachefiles/ondemand.c @@ -337,6 +337,7 @@ ssize_t cachefiles_ondemand_daemon_read(struct cachefiles_cache *cache, xas_clear_mark(&xas, CACHEFILES_REQ_NEW); cache->...
de3e26f9e5b76fc628077578c001c4a51bf54d06
Analyze and fix the following issue in the Linux kernel code: cachefiles: fix slab-use-after-free in cachefiles_ondemand_get_fd()
Problem Details: We got the following issue in a fuzz test of randomly issuing the restore command: ================================================================== BUG: KASAN: slab-use-after-free in cachefiles_ondemand_daemon_read+0x609/0xab0 Write of size 4 at addr ffff888109164a80 by task ondemand-04-dae/4962 CP...
```diff diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h index d33169f0018b..7745b8abc3aa 100644 --- a/fs/cachefiles/internal.h +++ b/fs/cachefiles/internal.h @@ -138,6 +138,7 @@ static inline bool cachefiles_in_ondemand_mode(struct cachefiles_cache *cache) struct cachefiles_req { struct cachefiles_o...
0fc75c5940fa634d84e64c93bfc388e1274ed013
Analyze and fix the following issue in the Linux kernel code: cachefiles: remove requests from xarray during flushing requests
Problem Details: Even with CACHEFILES_DEAD set, we can still read the requests, so in the following concurrency the request may be used after it has been freed: mount | daemon_thread1 | daemon_thread2 ------------------------------------------------------------ cachefiles_ondemand_init_object cachefil...
```diff diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c index 6465e2574230..ccb7b707ea4b 100644 --- a/fs/cachefiles/daemon.c +++ b/fs/cachefiles/daemon.c @@ -159,6 +159,7 @@ static void cachefiles_flush_reqs(struct cachefiles_cache *cache) xa_for_each(xa, index, req) { req->error = -EIO; complete(&...
cc5ac966f26193ab185cc43d64d9f1ae998ccb6e
Analyze and fix the following issue in the Linux kernel code: cachefiles: add output string to cachefiles_obj_[get|put]_ondemand_fd
Problem Details: This lets us see the correct trace output. Fixes: c8383054506c ("cachefiles: notify the user daemon when looking up cookie") Signed-off-by: Baokun Li <libaokun1@huawei.com> Link: https://lore.kernel.org/r/20240522114308.2402121-2-libaokun@huaweicloud.com Acked-by: Jeff Layton <jlayton@kernel.org> Revi...
```diff diff --git a/include/trace/events/cachefiles.h b/include/trace/events/cachefiles.h index cf4b98b9a9ed..e3213af847cd 100644 --- a/include/trace/events/cachefiles.h +++ b/include/trace/events/cachefiles.h @@ -127,7 +127,9 @@ enum cachefiles_error_trace { EM(cachefiles_obj_see_lookup_cookie, "SEE lookup_cookie")...
b062938fd9afec844c50571fddd8d81623a60ee1
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: sof-sdw: fix missing SPI_MASTER dependency
Problem Details: The addition of the Cirrus Logic 'sidecar' amps adds a dependency on SPI_MASTER. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SND_SOC_CS35L56_SPI Depends on [n]: SOUND [=y] && SND [=y] && SND_SOC [=y] && SPI_MASTER [=n] && (SOUNDWIRE [=y] || !S...
```diff diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig index 3ed81ab649c5..4e0586034de4 100644 --- a/sound/soc/intel/boards/Kconfig +++ b/sound/soc/intel/boards/Kconfig @@ -652,7 +652,7 @@ if SND_SOC_SOF_INTEL_SOUNDWIRE config SND_SOC_INTEL_SOUNDWIRE_SOF_MACH tristate "SoundWire gener...
2942dfab630444d46aaa37fb7d629b620abbf6ba
Analyze and fix the following issue in the Linux kernel code: net: ethernet: cortina: Restore TSO support
Problem Details: An earlier commit deleted the TSO support in the Cortina Gemini driver because the driver was confusing gso_size and MTU, probably because what the Linux kernel calls "gso_size" was called "MTU" in the datasheet. Restore the functionality properly reading the gso_size from the skbuff. Tested with ipe...
```diff diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 5f0c9e1771db..7ebd61a3a49b 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -79,7 +79,8 @@ MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); #define GMAC0_...
0c02cebc7fe943f92dae0e61628a7723fe1739b7
Analyze and fix the following issue in the Linux kernel code: drm/display: Fix HDMI state helper dependency
Problem Details: During the life of the series that introduced the DRM_DISPLAY_HDMI_STATE_HELPER option, we reworked the Kconfig option dependency setup to rely on depends on with commit f6d2dc03fa85 ("drm: Switch DRM_DISPLAY_HDMI_HELPER to depends on") which got reverted later on because it was creating too many issue...
```diff diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig index 14114b597ef4..479e62690d75 100644 --- a/drivers/gpu/drm/display/Kconfig +++ b/drivers/gpu/drm/display/Kconfig @@ -74,6 +74,6 @@ config DRM_DISPLAY_HDMI_HELPER config DRM_DISPLAY_HDMI_STATE_HELPER bool depends on DRM_DISPLA...
6d40dbc75877110c5e0d661dd77f6cfce916765e
Analyze and fix the following issue in the Linux kernel code: ALSA: pcm: fix typo in comment
Problem Details: Fix the typo in the comment for SNDRV_PCM_RATE_KNOT Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20240528191850.63314-1-alexandre.belloni@bootlin.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 61c6054618c8..3edd7a7346da 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -124,7 +124,7 @@ struct snd_pcm_ops { #define SNDRV_PCM_RATE_768000 (1U<<16) /* 768000Hz */ #define SNDRV_PCM_RATE_CONTINUOUS (1U<<30) /* continuous range */...
fe85f6e607d75b856e7229924c71f55e005f8284
Analyze and fix the following issue in the Linux kernel code: ALSA: ump: Don't clear bank selection after sending a program change
Problem Details: The current code clears the bank selection MSB/LSB after sending a program change, but this can be wrong, as many apps may not send the full bank selection with both MSB and LSB but sending only one. Better to keep the previous bank set. Fixes: 0b5288f5fe63 ("ALSA: ump: Add legacy raw MIDI support") C...
```diff diff --git a/sound/core/ump_convert.c b/sound/core/ump_convert.c index de04799fdb69..f67c44c83fde 100644 --- a/sound/core/ump_convert.c +++ b/sound/core/ump_convert.c @@ -404,7 +404,6 @@ static int cvt_legacy_cmd_to_ump(struct ump_cvt_to_ump *cvt, midi2->pg.bank_msb = cc->cc_bank_msb; midi2->pg.bank_lsb...
edb32776196afa393c074d6a2733e3a69e66b299
Analyze and fix the following issue in the Linux kernel code: ALSA: seq: Fix incorrect UMP type for system messages
Problem Details: When converting a legacy system message to a UMP packet, it forgot to modify the UMP type field but keeping the default type (either type 2 or 4). Correct to the right type for system messages. Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events") Cc: <stable@vger.kernel.org> Link: ht...
```diff diff --git a/sound/core/seq/seq_ump_convert.c b/sound/core/seq/seq_ump_convert.c index f5d22dd00842..add70b4c2885 100644 --- a/sound/core/seq/seq_ump_convert.c +++ b/sound/core/seq/seq_ump_convert.c @@ -739,6 +739,7 @@ static int system_1p_ev_to_ump_midi1(const struct snd_seq_event *event, union snd_u...
6322e0e75a01d30b914fa87470ad00d8db844f72
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: handle HW restart during ROC
Problem Details: If we have a HW restart in the middle of a ROC period, then there are two cases: - if it's a software ROC, we really don't need to do anything, since the ROC work will still be queued and will run later, albeit with the interruption due to the restart; - if it's a hardware ROC, then it may h...
```diff diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 76965d64a0fa..3fd7b1adbfab 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1978,6 +1978,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); void ieee80211_offchannel_return(struct ieee80...
75800e2e4203ea83bbc9d4f63ad97ea582244a08
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix audio component initialization
Problem Details: After registering the audio component in i915_audio_component_init() the audio driver may call i915_audio_component_get_power() via the component ops. This could program AUD_FREQ_CNTRL with an uninitialized value if the latter function is called before display.audio.freq_cntrl gets initialized. The get...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c index ed81e1466c4b..40e7d862675e 100644 --- a/drivers/gpu/drm/i915/display/intel_audio.c +++ b/drivers/gpu/drm/i915/display/intel_audio.c @@ -1252,17 +1252,6 @@ static const struct component_ops i915_audio_compo...
43e2b37e2ab660c3565d4cff27922bc70e79c3f1
Analyze and fix the following issue in the Linux kernel code: drm/i915/dpt: Make DPT object unshrinkable
Problem Details: In some scenarios, the DPT object gets shrunk but the actual framebuffer did not and thus its still there on the DPT's vm->bound_list. Then it tries to rewrite the PTEs via a stale CPU mapping. This causes panic. Cc: stable@vger.kernel.org Reported-by: Shawn Lee <shawn.c.lee@intel.com> Fixes: 0dc987b6...
```diff diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index 3560a062d287..5d7446a48ae7 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -284,7 +284,9 @@ bool i915_gem_object_has_iomem(const struct drm_i915_...
ee01b6a386eaf9984b58a2476e8f531149679da9
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Fix CCS id's calculation for CCS mode setting
Problem Details: The whole point of the previous fixes has been to change the CCS hardware configuration to generate only one stream available to the compute users. We did this by changing the info.engine_mask that is set during device probe, reset during the detection of the fused engines, and finally reset again when...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 5c8e9ee3b008..3b740ca25000 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -885,6 +885,12 @@ static intel_engine_mask_t init_engine_mask(struct intel...
8c318cb70c88aa02068db7518e852b909c9b400f
Analyze and fix the following issue in the Linux kernel code: drm/panel/lg-sw43408: mark sw43408_backlight_ops as static
Problem Details: Fix sparse warning regarding symbol 'sw43408_backlight_ops' not being declared. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202404200739.hbWZvOhR-lkp@intel.com/ Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Fixes: 069a6c0e94f9 ("drm: panel: Ad...
```diff diff --git a/drivers/gpu/drm/panel/panel-lg-sw43408.c b/drivers/gpu/drm/panel/panel-lg-sw43408.c index 115f4702d59f..2b3a73696dce 100644 --- a/drivers/gpu/drm/panel/panel-lg-sw43408.c +++ b/drivers/gpu/drm/panel/panel-lg-sw43408.c @@ -182,7 +182,7 @@ static int sw43408_backlight_update_status(struct backlight_d...
659a3062c705753a9ec6fd28a4c67ee4254f9584
Analyze and fix the following issue in the Linux kernel code: drm/i915/selftests: Set always_coherent to false when reading from CPU
Problem Details: Commit 8d4ba9fc1c6c ("drm/i915/selftests: Pick correct caching mode.") was not complete as for non LLC sharing platforms cpu read can happen from LLC which probably doesn't have the latest changes made by GPU. Cc: Andi Shyti <andi.shyti@linux.intel.com> Cc: Janusz Krzysztofik <janusz.krzysztofik@lin...
```diff diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c index 65a931ea80e9..3527b8f446fe 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c @@ -196,7 +196,7 @@ static int ve...
33defcacd207196a6b35857087e6335590adad62
Analyze and fix the following issue in the Linux kernel code: drm/panel/lg-sw43408: select CONFIG_DRM_DISPLAY_DP_HELPER
Problem Details: This panel driver uses DSC PPS functions and as such depends on the DRM_DISPLAY_DP_HELPER. Select this symbol to make required functions available to the driver. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202404200800.kYsRYyli-lkp@intel.com/ Fixes: 069...
```diff diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 982324ef5a41..2ae0eb0638f3 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -340,6 +340,8 @@ config DRM_PANEL_LG_SW43408 depends on OF depends on DRM_MIPI_DSI depends on BACKLIGHT_CLASS_DEVICE...
d4f36db62396b73bed383c0b6e48d36278cafa78
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: avoid FIELD_PREP warning
Problem Details: With gcc-7 and earlier, there are lots of warnings like In file included from <command-line>:0:0: In function '__guc_context_policy_add_priority.isra.66', inlined from '__guc_context_set_prio.isra.67' at drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:3292:3, inlined from 'guc_context_set_pr...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h index bebf28e3c479..525587cfe1af 100644 --- a/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h +++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h @@ -29,9 +29,9 @@ */ #define GUC_KLV_LEN_MIN 1u -#def...
70cb9188ffc75e643debf292fcddff36c9dbd4ae
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Disarm breadcrumbs if engines are already idle
Problem Details: The breadcrumbs use a GT wakeref for guarding the interrupt, but are disarmed during release of the engine wakeref. This leaves a hole where we may attach a breadcrumb just as the engine is parking (after it has parked its breadcrumbs), execute the irq worker with some signalers still attached, but nev...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c index d650beb8ed22..20b9b04ec1e0 100644 --- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c @@ -263,8 +263,13 @@ static void signal_irq_work(struct irq_work *wor...
647535760a00a854c185dd4d7e6eccfea30ea0d5
Analyze and fix the following issue in the Linux kernel code: Revert "drm/i915: Remove extra multi-gt pm-references"
Problem Details: This reverts commit 1f33dc0c1189efb9ae19c6fc22b64dd3e26261fb. There was a patch supposed to fix an issue of illegal attempts to free a still active i915 VMA object when parking a GT believed to be idle, reported by CI on 2-GT Meteor Lake. As a solution, an extra wakeref for a Primary GT was acquired ...
```diff diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 42619fc05de4..090724fa766c 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -255,6 +255,7 @@ struct i915_execbuffer { struct int...
db680c60a89ccb36e11fa561be2583764fc8a21e
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix a wrong comment
Problem Details: Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Link: https://msgid.link/20240527190228.2105ffcf747d.Ic838959b812b6cb4cbb856e8c0bcaad2f46ac71b@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c index 3b2875f2cab7..5e17559c7bd4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c @@ -241,7 +241,7 @@ int iwl_mvm_mld_add_bcast_sta...
d9196023b2c2528af96eeae9aee28f25ea112b43
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: show full firmware ID in debugfs
Problem Details: The firmware prefix is unused today, but it might still be useful to have some information. Since the prefix will get the intel/ directory in some cases, replace the prefix by the full FW id which has all the information. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Koren...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 879640a7d46a..2b2b5b76b5ec 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -754,7 +754,6 @@ static ssize_t iwl_dbgfs_fw_v...
6958c4becdf89c2877edd901458ae18ecd06169f
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: add debug data for MPDU counting
Problem Details: It is hard to debug issues of EMLSR entry/exit due to low throughput. Add debug data. Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Link: https://msgid.link/20240527190228.77ef3c2654dc.I1796a3995da2a49dd5102d33766af1ad416dd60b@ch...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c index 3a1504e95b0f..d972fcbc2cf7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c @@ -224,6 +224,8 @@ static vo...
94df6cbd4c4aea633a9b4bbfab835dcfee21578b
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: Remove debug related code
Problem Details: This code is intended for internal testing. Remove it. Fixes: 30ce039094b5 ("wifi: iwlwifi: mvm: Don't allow EMLSR when the RSSI is low") Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240527190228.c3b89828efb2.I7ded6348d2fb0cb7e103c4eee033451924c3461d@cha...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c b/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c index f49e3c98b1ba..6a680b5d03e0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c @@ -393,9 +393,6 @@ static void t...
822f89a409192006ee701afeb6d724cfd94d324b
Analyze and fix the following issue in the Linux kernel code: drm/sun4i: Fix compilation error
Problem Details: Commit ea64761a54a2 ("drm/sun4i: hdmi: Switch to HDMI connector") introduced a dependency that got renamed in a previous version, but wasn't properly updated in that driver. Fix the name of the function. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/20240...
```diff diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c index 0e652dd480c9..b3649449de30 100644 --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c @@ -209,9 +209,8 @@ static enum drm_mode_status sun4i_hdmi_connector_mode_valid(struct d...
e06a698ae62b9ee5ca98e65be2c90a61464192e6
Analyze and fix the following issue in the Linux kernel code: scripts/make_fit: Drop fdt image entry compatible string
Problem Details: According to the FIT image source file format document found in U-boot [1] and the split-out FIT image specification [2], under "'/images' node" -> "Conditionally mandatory property", the "compatible" property is described as "compatible method for loading image", i.e., not the compatible string embedd...
```diff diff --git a/scripts/make_fit.py b/scripts/make_fit.py index 3de90c5a094b..263147df80a4 100755 --- a/scripts/make_fit.py +++ b/scripts/make_fit.py @@ -190,7 +190,7 @@ def output_dtb(fsw, seq, fname, arch, compress): Args: fsw (libfdt.FdtSw): Object to use for writing seq (int): Sequence n...
3430f65d6130ccbc86f0ff45642eeb9e2032a600
Analyze and fix the following issue in the Linux kernel code: kbuild: fix short log for AS in link-vmlinux.sh
Problem Details: In convention, short logs print the output file, not the input file. Let's change the suffix for 'AS' since it assembles *.S into *.o. [Before] LD .tmp_vmlinux.kallsyms1 NM .tmp_vmlinux.kallsyms1.syms KSYMS .tmp_vmlinux.kallsyms1.S AS .tmp_vmlinux.kallsyms1.S LD .tmp_...
```diff diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index c22a213ea6a9..7aca51b24e9f 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -182,7 +182,7 @@ kallsyms_step() mksysmap ${kallsyms_vmlinux} ${kallsyms_vmlinux}.syms kallsyms ${kallsyms_vmlinux}.syms ${kallsyms_S} - inf...
04b8cb0945b4bf679c71dc2351e0d3c25481e3c6
Analyze and fix the following issue in the Linux kernel code: kbuild: avoid unneeded kallsyms step 3
Problem Details: Since commit 951bcae6c5a0 ("kallsyms: Avoid weak references for kallsyms symbols"), the kallsyms step 3 always occurs. You can compare the build logs. [Before 951bcae6c5a0] $ git checkout 951bcae6c5a0^ $ make defconfig all [ snip ] LD .tmp_vmlinux.kallsyms1 NM .tmp_vmlin...
```diff diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index 7862a8101747..b0d39a927fbc 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -179,7 +179,7 @@ kallsyms_step() kallsyms_S=${kallsyms_vmlinux}.S vmlinux_link ${kallsyms_vmlinux} "${kallsymso_prev}" ${btf_vmlinux_bin_o} ...
659bbf7e1b08267b8e1dd900b316edcb6f6d9e2e
Analyze and fix the following issue in the Linux kernel code: kbuild: scripts/gdb: Replace missed $(srctree)/$(src) w/ $(src)
Problem Details: Recently we went through the source tree and replaced $(srctree)/$(src) w/ $(src). However, the gdb scripts Makefile had a hidden $(srctree)/$(src) that looked like this: $(abspath $(srctree))/$(src) Because we missed that then my installed kernel had symlinks that looked like this: __init__.py ...
```diff diff --git a/scripts/gdb/linux/Makefile b/scripts/gdb/linux/Makefile index d77ad9079d0f..fd1402c0a1a1 100644 --- a/scripts/gdb/linux/Makefile +++ b/scripts/gdb/linux/Makefile @@ -5,7 +5,7 @@ ifdef building_out_of_srctree symlinks := $(patsubst $(src)/%,%,$(wildcard $(src)/*.py)) quiet_cmd_symlink = SYMLINK ...
aabdc960a283ba78086b0bf66ee74326f49e218e
Analyze and fix the following issue in the Linux kernel code: kconfig: fix comparison to constant symbols, 'm', 'n'
Problem Details: Currently, comparisons to 'm' or 'n' result in incorrect output. [Test Code] config MODULES def_bool y modules config A def_tristate m config B def_bool A > n CONFIG_B is unset, while CONFIG_B=y is expected. The reason for the issue is b...
```diff diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index aa0e25ee5119..0e439d3d48d1 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -14,6 +14,7 @@ struct symbol symbol_yes = { .name = "y", + .type = S_TRISTATE, .curr = { "y", yes }, .menus = LIST_HEAD_INIT(symbol_y...
3b8407e81ed76c0d84d710c2a177a8fe24292702
Analyze and fix the following issue in the Linux kernel code: drm/gem-shmem: Add import attachment warning to locked pin function
Problem Details: Commit ec144244a43f ("drm/gem-shmem: Acquire reservation lock in GEM pin/unpin callbacks") moved locking DRM object's dma reservation to drm_gem_shmem_object_pin, and made drm_gem_shmem_pin_locked public, so we need to make sure the not-imported check warning is also added to the latter. Cc: Thomas Zi...
```diff diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c index 885a62c2e1be..53c003983ad1 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -233,6 +233,8 @@ int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem) ...
8c2f5dd0c362ec036f0217da1d413ce2b8361080
Analyze and fix the following issue in the Linux kernel code: drm/lima: Fix dma_resv deadlock at drm object pin time
Problem Details: Commit a78027847226 ("drm/gem: Acquire reservation lock in drm_gem_{pin/unpin}()") moved locking the DRM object's dma reservation to drm_gem_pin(), but Lima's pin callback kept calling drm_gem_shmem_pin, which also tries to lock the same dma_resv, leading to a double lock situation. As was already don...
```diff diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c index 7ea244d876ca..9bb997dbb4b9 100644 --- a/drivers/gpu/drm/lima/lima_gem.c +++ b/drivers/gpu/drm/lima/lima_gem.c @@ -185,7 +185,7 @@ static int lima_gem_pin(struct drm_gem_object *obj) if (bo->heap_size) return -EINVAL; - r...
e57f2187ccc125f1f14f6d2c83da80831fc3ce9a
Analyze and fix the following issue in the Linux kernel code: drm/panfrost: Fix dma_resv deadlock at drm object pin time
Problem Details: When Panfrost must pin an object that is being prepared a dma-buf attachment for on behalf of another driver, the core drm gem object pinning code already takes a lock on the object's dma reservation. However, Panfrost GEM object's pinning callback would eventually try taking the lock on the same dma ...
```diff diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c index d47b40b82b0b..8e0ff3efede7 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gem.c +++ b/drivers/gpu/drm/panfrost/panfrost_gem.c @@ -192,7 +192,7 @@ static int panfrost_gem_pin(struct drm_gem_object *obj) if (bo-...
a93c83eca48a4ffb8e57cb0c7cc2e3935744d2c6
Analyze and fix the following issue in the Linux kernel code: perf docs: Fix typos
Problem Details: Assorted typo fixes. Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: James Clark <james.clark@arm.com> Cc: Changbin Du <changbin.du@huawei.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20240521223555.858859-1-irogers@google.com
```diff diff --git a/tools/perf/Documentation/perf-kwork.txt b/tools/perf/Documentation/perf-kwork.txt index 109ace1d5e90..21e607669d78 100644 --- a/tools/perf/Documentation/perf-kwork.txt +++ b/tools/perf/Documentation/perf-kwork.txt @@ -1,4 +1,4 @@ -perf-kowrk(1) +perf-kwork(1) ============= NAME @@ -35,7 +35,7 @...
f008baf08d3eb778c19890bff81869d6d3481bd1
Analyze and fix the following issue in the Linux kernel code: drm/i915/hdcp: Fix IS_METEORLAKE usage for HDCP line rekeying
Problem Details: Replace IS_METEORLAKE usage with a more appropriate macro. While we are at it also add the stepping restrictions for other platforms. Fixes: 6a3691ca4799 ("drm/i915/hdcp: Disable HDCP Line Rekeying for HDCP2.2 on HDMI") Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Dnyaneshwar Bh...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 02cbbbfd8e25..5767070248bb 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -42,10 +42,11 @@ intel_hdcp_disable_hdcp_line_rekeying(struct intel_encode...
6994520a332887f1688464f250c9ec8002a89a8e
Analyze and fix the following issue in the Linux kernel code: r8169: disable interrupt source RxOverflow
Problem Details: Vendor driver calls this bit RxDescUnavail. All we do in the interrupt handler in this case is scheduling NAPI. If we should be out of RX descriptors, then NAPI is scheduled anyway. Therefore remove this interrupt source. Tested on RTL8168h. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Review...
```diff diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 7b9e04884575..5c4296daf8f7 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -5086,12 +5086,10 @@ static void rtl_set_irq_mask(struct rtl8169_private *...
fb66df20a7201e60f2b13d7f95d031b31a8831d3
Analyze and fix the following issue in the Linux kernel code: net/sched: taprio: extend minimum interval restriction to entire cycle too
Problem Details: It is possible for syzbot to side-step the restriction imposed by the blamed commit in the Fixes: tag, because the taprio UAPI permits a cycle-time different from (and potentially shorter than) the sum of entry intervals. We need one more restriction, which is that the cycle time itself must be larger...
```diff diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 118915055360..937a0c513c17 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1151,11 +1151,6 @@ static int parse_taprio_schedule(struct taprio_sched *q, struct nlattr **tb, list_for_each_entry(entry, &new->entries, list) ...
e634134180885574d1fe7aa162777ba41e7fcd5b
Analyze and fix the following issue in the Linux kernel code: net/sched: taprio: make q->picos_per_byte available to fill_sched_entry()
Problem Details: In commit b5b73b26b3ca ("taprio: Fix allowing too small intervals"), a comparison of user input against length_to_duration(q, ETH_ZLEN) was introduced, to avoid RCU stalls due to frequent hrtimers. The implementation of length_to_duration() depends on q->picos_per_byte being set for the link speed. Th...
```diff diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 1ab17e8a7260..118915055360 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1848,6 +1848,9 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, } q->flags = taprio_flags; + /* Needed for length_to_duration...
49ba7b515c4c0719b866d16f068e62d16a8a3dd1
Analyze and fix the following issue in the Linux kernel code: cxl/region: Fix memregion leaks in devm_cxl_add_region()
Problem Details: Move the mode verification to __create_region() before allocating the memregion to avoid the memregion leaks. Fixes: 6e099264185d ("cxl/region: Add volatile region creation support") Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Link: https://lo...
```diff diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index 00a9f0eef8dd..3c2b6144be23 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -2352,15 +2352,6 @@ static struct cxl_region *devm_cxl_add_region(struct cxl_root_decoder *cxlrd, struct device *dev; int rc; - swit...
d55510527153d17a3af8cc2df69c04f95ae1350d
Analyze and fix the following issue in the Linux kernel code: cxl/test: Add missing vmalloc.h for tools/testing/cxl/test/mem.c
Problem Details: tools/testing/cxl/test/mem.c uses vmalloc() and vfree() but does not include linux/vmalloc.h. Kernel v6.10 made changes that causes the currently included headers not depend on vmalloc.h and therefore mem.c can no longer compile. Add linux/vmalloc.h to fix compile issue. CC [M] tools/testing/cxl/te...
```diff diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c index 6584443144de..eaf091a3d331 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -3,6 +3,7 @@ #include <linux/platform_device.h> #include <linux/mod_devicetable.h> +#include <linux/vmalloc.h> #include <...
a69ce592cbe0417664bc5a075205aa75c2ec1273
Analyze and fix the following issue in the Linux kernel code: Input: elantech - fix touchpad state on resume for Lenovo N24
Problem Details: The Lenovo N24 on resume becomes stuck in a state where it sends incorrect packets, causing elantech_packet_check_v4 to fail. The only way for the device to resume sending the correct packets is for it to be disabled and then re-enabled. This change adds a dmi check to trigger this behavior on resume....
```diff diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 4e38229404b4..b4723ea395eb 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1476,16 +1476,47 @@ static void elantech_disconnect(struct psmouse *psmouse) psmouse->private = NULL; } +/* + * ...
e8ded22ef0f4831279c363c264cd41cd9d59ca9e
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_fib: allow from forward/input without iif selector
Problem Details: This removes the restriction of needing iif selector in the forward/input hooks for fib lookups when requested result is oif/oifname. Removing this restriction allows "loose" lookups from the forward hooks. Fixes: be8be04e5ddb ("netfilter: nft_fib: reverse path filter for policy-based routing on iif"...
```diff diff --git a/net/netfilter/nft_fib.c b/net/netfilter/nft_fib.c index 37cfe6dd712d..b58f62195ff3 100644 --- a/net/netfilter/nft_fib.c +++ b/net/netfilter/nft_fib.c @@ -35,11 +35,9 @@ int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr, switch (priv->result) { case NFT_FIB_RESULT_OIF: ...
21a673bddc8fd4873c370caf9ae70ffc6d47e8d3
Analyze and fix the following issue in the Linux kernel code: netfilter: tproxy: bail out if IP has been disabled on the device
Problem Details: syzbot reports: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [..] RIP: 0010:nf_tproxy_laddr4+0xb7/0x340 net/ipv4/netfilter/nf_tproxy_ipv4.c:62 Call Trace: nft_tpro...
```diff diff --git a/net/ipv4/netfilter/nf_tproxy_ipv4.c b/net/ipv4/netfilter/nf_tproxy_ipv4.c index 69e331799604..73e66a088e25 100644 --- a/net/ipv4/netfilter/nf_tproxy_ipv4.c +++ b/net/ipv4/netfilter/nf_tproxy_ipv4.c @@ -58,6 +58,8 @@ __be32 nf_tproxy_laddr4(struct sk_buff *skb, __be32 user_laddr, __be32 daddr) l...
33c563ebf8d3deed7d8addd20d77398ac737ef9a
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_payload: skbuff vlan metadata mangle support
Problem Details: Userspace assumes vlan header is present at a given offset, but vlan offload allows to store this in metadata fields of the skbuff. Hence mangling vlan results in a garbled packet. Handle this transparently by adding a parser to the kernel. If vlan metadata is present and payload offset is over 12 byt...
```diff diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c index a3cb5dbcb362..0c43d748e23a 100644 --- a/net/netfilter/nft_payload.c +++ b/net/netfilter/nft_payload.c @@ -145,12 +145,12 @@ int nft_payload_inner_offset(const struct nft_pktinfo *pkt) return pkt->inneroff; } -static bool nft_paylo...
8528bde1b66bab9a0abc2f521523abd00049c81b
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix uninitialized var warning
Problem Details: Can't actually be used uninitialized, but gcc was being silly. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c index 692b1c7d5018..4321f9fb73bd 100644 --- a/fs/bcachefs/backpointers.c +++ b/fs/bcachefs/backpointers.c @@ -690,7 +690,7 @@ static int check_extent_to_backpointers(struct btree_trans *trans, ptrs = bch2_bkey_ptrs_c(k); bkey_for_each_pt...
d1f2b41e96f5d1c2241ef3740a5829d2f9979273
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sc7280: Add DT nodes for the TBUs
Problem Details: Add the device-tree nodes for the TBUs (translation buffer units) that are present on the sc7280 platforms. The TBUs can be used debug the kernel and provide additional information when a context faults occur. Describe all the registers, clocks, interconnects and power-domain resources that are needed...
```diff diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index e3ff325576de..c3aaa09b8187 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -2990,6 +2990,18 @@ dma-coherent; }; + gfx_0_tbu: tbu@3dd9000 { + compatible = "qc...
7bb38c20f2b64a65423e64e6765bd70a5eadee81
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sdm845: Add DT nodes for the TBUs
Problem Details: Add the device-tree nodes for the TBUs (translation buffer units) that are present on the sdm845 platforms. The TBUs can be used debug the kernel and provide additional information when a context faults occur. Describe the all registers, clocks, interconnects and power-domain resources that are needed...
```diff diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 26b1638c76f9..493c99c8ce10 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -15,6 +15,7 @@ #include <dt-bindings/dma/qcom-gpi.h> #include <dt-bindings/firmware/qcom,scm...
fa171d49e49af89dfece89ade803a5d471d919a8
Analyze and fix the following issue in the Linux kernel code: drm/xe/guc: Fix uninitialised count in GuC load debug prints
Problem Details: The debug prints about how long the GuC load takes have a loop counter. However that was neither initialised nor incremented! Plus, counting loops is no longer meaningful given the wait function returns early for any change in the status value. So fix it to only count loops due to actual timeouts. Sig...
```diff diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c index f7886c00af01..086a048876ba 100644 --- a/drivers/gpu/drm/xe/xe_guc.c +++ b/drivers/gpu/drm/xe/xe_guc.c @@ -591,7 +591,7 @@ static void guc_wait_ucode(struct xe_guc *guc) ktime_t before, after, delta; int load_done; u32 status = 0;...
49cc31f8ab44e60d8109da7e18c0983a917d4d74
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sa8775p: mark ethernet devices as DMA-coherent
Problem Details: Ethernet devices are cache coherent, mark it as such in the dtsi. Fixes: ff499a0fbb23 ("arm64: dts: qcom: sa8775p: add the first 1Gb ethernet interface") Fixes: e952348a7cc7 ("arm64: dts: qcom: sa8775p: add a node for EMAC1") Signed-off-by: Sagar Cheluvegowda <quic_scheluve@quicinc.com> Link: https://...
```diff diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index 5632fa896b93..b760f625ff09 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -3430,6 +3430,7 @@ phy-names = "serdes"; iommus = <&apps_smmu 0x140 0xf>; + dm...
72ceafb587a56e26c905472418c7dc2033c294d3
Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-ipq9574: Add BRANCH_HALT_VOTED flag
Problem Details: The crypto_ahb and crypto_axi clks are hardware voteable. This means that the halt bit isn't reliable because some other voter in the system, e.g. TrustZone, could be keeping the clk enabled when the kernel turns it off from clk_disable(). Make these clks use voting mode by changing the halt check to B...
```diff diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c index 0a3f846695b8..f8b9a1e93bef 100644 --- a/drivers/clk/qcom/gcc-ipq9574.c +++ b/drivers/clk/qcom/gcc-ipq9574.c @@ -2140,9 +2140,10 @@ static struct clk_rcg2 pcnoc_bfdcd_clk_src = { static struct clk_branch gcc_crypto_axi_clk = { ...
5a33a64524e6381c399e5e42571d9363ffc0bed4
Analyze and fix the following issue in the Linux kernel code: clk: qcom: clk-alpha-pll: set ALPHA_EN bit for Stromer Plus PLLs
Problem Details: The clk_alpha_pll_stromer_plus_set_rate() function does not sets the ALPHA_EN bit in the USER_CTL register, so setting rates which requires using alpha mode works only if the bit gets set already prior calling the function. Extend the function to set the ALPHA_EN bit in order to allow using fractional...
```diff diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index d4227909d1fe..c51647e37df8 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -2574,6 +2574,9 @@ static int clk_alpha_pll_stromer_plus_set_rate(struct clk_hw *hw, regmap_write(pll->clkr....
3414f41a13eb41db15c558fbc695466203dca4fa
Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-sm6350: Fix gpll6* & gpll7 parents
Problem Details: Both gpll6 and gpll7 are parented to CXO at 19.2 MHz and not to GPLL0 which runs at 600 MHz. Also gpll6_out_even should have the parent gpll6 and not gpll0. Adjust the parents of these clocks to make Linux report the correct rate and not absurd numbers like gpll7 at ~25 GHz or gpll6 at 24 GHz. Correc...
```diff diff --git a/drivers/clk/qcom/gcc-sm6350.c b/drivers/clk/qcom/gcc-sm6350.c index cf4a7b6e0b23..0559a33faf00 100644 --- a/drivers/clk/qcom/gcc-sm6350.c +++ b/drivers/clk/qcom/gcc-sm6350.c @@ -100,8 +100,8 @@ static struct clk_alpha_pll gpll6 = { .enable_mask = BIT(6), .hw.init = &(struct clk_init_data){ ...
6afebd850d1ab5518c273b32532f0b2086cc633a
Analyze and fix the following issue in the Linux kernel code: drm/panel: sony-acx565akm: Don't call disable at remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-sony-acx565akm.c b/drivers/gpu/drm/panel/panel-sony-acx565akm.c index a9a545a56404..73ba93ff00fe 100644 --- a/drivers/gpu/drm/panel/panel-sony-acx565akm.c +++ b/drivers/gpu/drm/panel/panel-sony-acx565akm.c @@ -652,9 +652,6 @@ static void acx565akm_remove(struct spi_devic...
718bd8a1a5ee873778a72523c06da054a89108b4
Analyze and fix the following issue in the Linux kernel code: drm/panel: sitronix-st7703: Don't call disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c index 6b2d940640ca..77b30e045a57 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c @@ -937,27 +937,11 @@ static int st7703_probe(struct mipi_dsi...
ac9e1786271f771ff1f774742602330be2d57a12
Analyze and fix the following issue in the Linux kernel code: drm/panel: xinpeng-xpp055c272: Don't call unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c index 8262c00670cf..22a14006765e 100644 --- a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c +++ b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c @@ -306,27 +306,11 @@ static int xpp055c272_probe...
bc62654df3c888dec735343f5db9907ac93aea60
Analyze and fix the following issue in the Linux kernel code: drm/panel: simple: Add a comment about unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index df32284fa293..9b9e078ec8aa 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -716,26 +716,39 @@ free_ddc: return err; } -static void panel_simple_remove(struct device...
49869668ff0e3f380858b4c20b8d0cb02b933f48
Analyze and fix the following issue in the Linux kernel code: drm/panel: samsung-atna33xc20: Don't call unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c index a322dd0a532f..9a482a744b8c 100644 --- a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c +++ b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c @@ -327,21 +327,10 @@ static void atana33xc20_rem...
2a9487b5aa55753993fde80e4841128c8da4df71
Analyze and fix the following issue in the Linux kernel code: drm/panel: novatek-nt36672a: Don't call unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c index 35aace79613a..c2abd20e0734 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c @@ -656,14 +656,6 @@ static void nt36672a_panel_remove(st...
3357f6f465e62c0bc5e906365063734740c9f6d4
Analyze and fix the following issue in the Linux kernel code: drm/panel: ltk500hd1829: Don't call unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c index ef27cab08f1d..6b18cf00fd4a 100644 --- a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c +++ b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c @@ -662,27 +662,11 @@ static int ltk500hd...
b7ca446ecb53205944968617b158f073bcacaedc
Analyze and fix the following issue in the Linux kernel code: drm/panel: ltk050h3146w: Don't call unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c index 5894bf30524a..292aa26a456d 100644 --- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c +++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c @@ -673,27 +673,11 @@ static int ltk050h3...
68c205ef3c39edce4a3346b8a53fd2b700394a0c
Analyze and fix the following issue in the Linux kernel code: drm/panel: kingdisplay-kd097d04: Don't call unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c index 88d775e000d4..d6b912277196 100644 --- a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c +++ b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c @@ -389,14 +389,6 @@ static void kingdisp...
eeb133ff78476eb1e6e88154dfb75a741e8a034a
Analyze and fix the following issue in the Linux kernel code: drm/panel: innolux-p079zca: Don't call unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index fe83e5e218df..d95c0d4f3e35 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -460,13 +460,6 @@ static void innolux_panel_remove(struct ...
ec7629859331fb67dbfb6bcd47f887a402e390ff
Analyze and fix the following issue in the Linux kernel code: drm/panel: edp: Add a comment about unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c index 970cfe504252..eb7530ff0075 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -944,13 +944,34 @@ err_finished_ddc_init: return err; } -static void panel_edp_remove(struct device *...
1985e3512b5a3777f6a18c36e40f3926037120bb
Analyze and fix the following issue in the Linux kernel code: drm/panel: boe-tv101wum-nl6: Don't call unprepare+disable at shutdown/remove
Problem Details: It's the responsibility of a correctly written DRM modeset driver to call drm_atomic_helper_shutdown() at shutdown time and that should be disabling / unpreparing the panel if needed. Panel drivers shouldn't be calling these functions themselves. A recent effort was made to fix as many DRM modeset dri...
```diff diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c index 8ab8cab83d5c..ce919a980875 100644 --- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c @@ -1833,21 +1833,11 @@ static int boe_panel_probe(struct...
e4731baaf29438508197d3a8a6d4f5a8c51663f8
Analyze and fix the following issue in the Linux kernel code: cpufreq: amd-pstate: Fix the inconsistency in max frequency units
Problem Details: The nominal frequency in cpudata is maintained in MHz whereas all other frequencies are in KHz. This means we have to convert nominal frequency value to KHz before we do any interaction with other frequency values. In amd_pstate_set_boost(), this conversion from MHz to KHz is missed, fix that. Tested...
```diff diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 91993647e09e..9ad62dbe8bfb 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -701,7 +701,7 @@ static int amd_pstate_set_boost(struct cpufreq_policy *policy, int state) if (state) policy->cpuinfo.max...
779b8a14afde110dd3502566be907289eba72447
Analyze and fix the following issue in the Linux kernel code: cpufreq: amd-pstate: remove global header file
Problem Details: When extra warnings are enabled, gcc points out a global variable definition in a header: In file included from drivers/cpufreq/amd-pstate-ut.c:29: include/linux/amd-pstate.h:123:27: error: 'amd_pstate_mode_string' defined but not used [-Werror=unused-const-variable=] 123 | static const char * const...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index d6c90161c7bf..fc31870379f8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1107,7 +1107,6 @@ L: linux-pm@vger.kernel.org S: Supported F: Documentation/admin-guide/pm/amd-pstate.rst F: drivers/cpufreq/amd-pstate* -F: include/linux/amd-pstate.h F: tools/power/x86/am...
c7a5096781732e0f9784551309484f3e103f6750
Analyze and fix the following issue in the Linux kernel code: PNP: Make dev_is_pnp() to be a function and export it for modules
Problem Details: Since we have a dev_is_pnp() macro that utilises the address of the pnp_bus_type variable, the users, which can be compiled as modules, will fail to build. Convert the macro to be a function and export it to the modules to prevent build breakage. Reported-by: Woody Suwalski <terraluna977@gmail.com> Cl...
```diff diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index 0a5d0d8befa8..3483e52e3a81 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -266,6 +266,12 @@ const struct bus_type pnp_bus_type = { .dev_groups = pnp_dev_groups, }; +bool dev_is_pnp(const struct device *dev) +{ + return dev->bus...
88e520512a68b4e724cb0f4281c79ae28673ccb1
Analyze and fix the following issue in the Linux kernel code: tools headers UAPI: Sync kvm headers with the kernel sources
Problem Details: To pick the changes in: 4af663c2f64a8d25 ("KVM: SEV: Allow per-guest configuration of GHCB protocol version") 4f5defae708992dd ("KVM: SEV: introduce KVM_SEV_INIT2 operation") 26c44aa9e076ed83 ("KVM: SEV: define VM types for SEV and SEV-ES") ac5c48027bacb1b5 ("KVM: SEV: publish supported VMSA f...
```diff diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h index ef11aa4cab42..9fae1b73b529 100644 --- a/tools/arch/x86/include/uapi/asm/kvm.h +++ b/tools/arch/x86/include/uapi/asm/kvm.h @@ -457,8 +457,13 @@ struct kvm_sync_regs { #define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLIN...
c3281abea67c9c0dc6219bbc41d1feae05a16da3
Analyze and fix the following issue in the Linux kernel code: remoteproc: stm32_rproc: Fix mailbox interrupts queuing
Problem Details: Manage interrupt coming from coprocessor also when state is ATTACHED. Fixes: 35bdafda40cc ("remoteproc: stm32_rproc: Add mutex protection for workqueue") Cc: stable@vger.kernel.org Signed-off-by: Gwenael Treuveur <gwenael.treuveur@foss.st.com> Acked-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> ...
```diff diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index 88623df7d0c3..8c7f7950b80e 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -294,7 +294,7 @@ static void stm32_rproc_mb_vq_work(struct work_struct *work) mutex_lock(&rproc->lock); ...
f720fa010d03bbb336cf8dcb949e939b5cfba610
Analyze and fix the following issue in the Linux kernel code: rpmsg: char: Fix rpmsg_eptdev structure documentation
Problem Details: Add missing @ tags for some rpmsg_eptdev structure parameters. This fixes warning messages on build: drivers/rpmsg/rpmsg_char.c:75: warning: Function parameter or struct member 'remote_flow_restricted' not described in 'rpmsg_eptdev' drivers/rpmsg/rpmsg_char.c:75: warning: Function parameter or struct...
```diff diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c index d7a342510902..3ec02751bc35 100644 --- a/drivers/rpmsg/rpmsg_char.c +++ b/drivers/rpmsg/rpmsg_char.c @@ -52,8 +52,8 @@ static DEFINE_IDA(rpmsg_minor_ida); * @readq: wait object for incoming queue * @default_ept: set to channel default...
265b71153e1ac270546f1d0d2a59a565947f2ed3
Analyze and fix the following issue in the Linux kernel code: perf list: Fix the --no-desc option
Problem Details: Currently, the --no-desc option in perf list isn't functioning as intended. This issue arises from the overwriting of struct option->desc with the opposite value of struct option->long_desc. Consequently, whatever parse_options() returns at struct option->desc gets overridden later, rendering the --de...
```diff diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index 5cab31231551..82cb4b1010aa 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -162,7 +162,11 @@ static void default_print_event(void *ps, const char *pmu_name, const char *topi } else fputc('\n', fp); - if (de...
678be1ca30cc939e0180c85b4cc9150b3d5ef0c8
Analyze and fix the following issue in the Linux kernel code: perf tests: Add some pmu core functionality tests
Problem Details: Test behavior of PMU names and comparisons wrt suffixes using Intel uncore_cha, marvell mrvl_ddr_pmu and S390's cpum_cf as examples. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: James Clark <james.clark@arm.co...
```diff diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c index 06cc0e46cb28..cc88b5920c3e 100644 --- a/tools/perf/tests/pmu.c +++ b/tools/perf/tests/pmu.c @@ -3,6 +3,7 @@ #include "evsel.h" #include "parse-events.h" #include "pmu.h" +#include "pmus.h" #include "tests.h" #include "debug.h" #include "fn...
3241d46f5f5450ddff255a136f2ebf3282065435
Analyze and fix the following issue in the Linux kernel code: perf pmus: Sort/merge/aggregate PMUs like mrvl_ddr_pmu
Problem Details: The mrvl_ddr_pmu is uncore and has a hexadecimal address suffix while the previous PMU sorting/merging code assumes uncore PMU names start with uncore_ and have a decimal suffix. Because of the previous assumption it isn't possible to wildcard the mrvl_ddr_pmu. Modify pmu_name_len_no_suffix but also r...
```diff diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 888ce9912275..c94a91645b21 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -856,26 +856,34 @@ __weak const struct pmu_metrics_table *pmu_metrics_table__find(void) */ static bool perf_pmu__match_ignoring_suffix(const char *pmu_...
0ae570703754858a77cc42b3c9fff42e9f084608
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fix wrong definition of CE ring's base address
Problem Details: Base address of CE ring is defined as u32, currently this works because DMA mask configured as 32 bit: #define ATH12K_PCI_DMA_MASK 32 However this mask could be changed once firmware bugs are fixed to fully support 36 bit DMA addressing. So to protect against any future changes to the DMA mask, chan...
```diff diff --git a/drivers/net/wireless/ath/ath12k/ce.h b/drivers/net/wireless/ath/ath12k/ce.h index 79af3b6159f1..857bc5f9e946 100644 --- a/drivers/net/wireless/ath/ath12k/ce.h +++ b/drivers/net/wireless/ath/ath12k/ce.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-202...
0a993772e0f0934d730c0d451622c80e03a40ab1
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fix race due to setting ATH12K_FLAG_EXT_IRQ_ENABLED too early
Problem Details: Commit 5082b3e3027e ("wifi: ath11k: fix race due to setting ATH11K_FLAG_EXT_IRQ_ENABLED too early") fixes a race in ath11k driver. Since ath12k shares the same logic as ath11k, currently the race also exists in ath12k: in ath12k_pci_ext_irq_enable(), ATH12K_FLAG_EXT_IRQ_ENABLED is set before NAPI is en...
```diff diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index ac75e8e3916b..11b95d037051 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -1107,14 +1107,14 @@ void ath12k_pci_ext_irq_enable(struct ath12k_base *ab) { int i; ...
5714e25f1d1875b300fb337dadfaa75324c1161a
Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: fix wrong definition of CE ring's base address
Problem Details: Base address of CE ring is defined as u32, currently this works because coherent DMA mask configured as 32 bit: #define ATH11K_PCI_COHERENT_DMA_MASK 32 However this mask could be changed once firmware bugs are fixed to fully support 36 bit DMA addressing. So to protect against any future changes to ...
```diff diff --git a/drivers/net/wireless/ath/ath11k/ce.h b/drivers/net/wireless/ath/ath11k/ce.h index 69946fc70077..bcde2fcf02cf 100644 --- a/drivers/net/wireless/ath/ath11k/ce.h +++ b/drivers/net/wireless/ath/ath11k/ce.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-201...
af69d862a8baa600b018f66aca8174b23c166a5f
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: Fix devmem address prefix when logging
Problem Details: Currently when ath12k QMI logging is enabled, messages such as the following can be logged: ath12k_pci 0000:03:00.0: devmem [0] start ox113000 size 20480 Replace ox% with 0x% to get a proper hex address prefix: ath12k_pci 0000:03:00.0: devmem [0] start 0x113000 size 20480 Signed-off-by: Jeff Johnso...
```diff diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index f273cb93dedb..b93ce9f87f61 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -2503,7 +2503,7 @@ static int ath12k_qmi_request_target_cap(struct ath12k_base *ab) ab...
a0fc1a053b7a212244ff109e44469b8deff280c5
Analyze and fix the following issue in the Linux kernel code: of: of_test: add MODULE_DESCRIPTION()
Problem Details: Fix the 'make W=1' warning: WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/of/of_test.o Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20240524-md-of-of_test-v1-1-6ebd078d620f@quicinc.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
```diff diff --git a/drivers/of/of_test.c b/drivers/of/of_test.c index a9301d293f01..c85a258bc6ae 100644 --- a/drivers/of/of_test.c +++ b/drivers/of/of_test.c @@ -54,4 +54,5 @@ static struct kunit_suite of_dtb_suite = { kunit_test_suites( &of_dtb_suite, ); +MODULE_DESCRIPTION("KUnit tests for OF APIs"); MODULE_LIC...
c758b77d4a0a0ed3a1292b3fd7a2aeccd1a169a4
Analyze and fix the following issue in the Linux kernel code: nvmet: fix a possible leak when destroy a ctrl during qp establishment
Problem Details: In nvmet_sq_destroy we capture sq->ctrl early and if it is non-NULL we know that a ctrl was allocated (in the admin connect request handler) and we need to release pending AERs, clear ctrl->sqs and sq->ctrl (for nvme-loop primarily), and drop the final reference on the ctrl. However, a small window is...
```diff diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 2fde22323622..06f0c587f343 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -818,6 +818,15 @@ void nvmet_sq_destroy(struct nvmet_sq *sq) percpu_ref_exit(&sq->ref); nvmet_auth_sq_free(sq); + /* + * we mus...
be647e2c76b27f409cdd520f66c95be888b553a3
Analyze and fix the following issue in the Linux kernel code: nvme: use srcu for iterating namespace list
Problem Details: The nvme pci driver synchronizes with all the namespace queues during a reset to ensure that there's no pending timeout work. Meanwhile the timeout work potentially iterates those same namespaces to freeze their queues. Each of those namespace iterations use the same read lock. If a write lock should...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 7706df237349..f5d150c62955 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -678,7 +678,7 @@ static void nvme_free_ns(struct kref *kref) kfree(ns); } -static inline bool nvme_get_ns(struct nvme_ns *ns) +bool nvme_...
c7ce956bb6d0f32ab921b6ffba1a6a834df96f21
Analyze and fix the following issue in the Linux kernel code: drm/dp: Fix documentation warning
Problem Details: It fixes the following warnings when the kernel documentation is generated: ./include/drm/display/drm_dp_helper.h:126: warning: Function parameter or struct member 'mode' not described in 'drm_dp_as_sdp' ./include/drm/display/drm_dp_helper.h:126: warning: Excess struct member 'operation_mode' descrip...
```diff diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h index 8bed890eec2c..8defcc399f42 100644 --- a/include/drm/display/drm_dp_helper.h +++ b/include/drm/display/drm_dp_helper.h @@ -112,7 +112,7 @@ struct drm_dp_vsc_sdp { * @target_rr: Target Refresh * @duration_incr_ms: Suc...
d19a86d584e04191cdab7ced24d7ed791075697a
Analyze and fix the following issue in the Linux kernel code: PCI: tegra194: Set EP alignment restriction for inbound ATU
Problem Details: Tegra194 and Tegra234 PCIe EP controllers have 64K alignment restriction for the inbound ATU. Set the endpoint inbound ATU alignment to 64kB in the Tegra194 PCIe driver. Fixes: c57247f940e8 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194") Suggested-by: Manikanta Maddireddy <mmaddireddy@n...
```diff diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 93f5433c5c55..4537313ef37a 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -2015,6 +2015,7 @@ static const struct pci_epc_features tegra_pcie_epc...
c93637e6a4c4e1d0e85ef7efac78d066bbb24d96
Analyze and fix the following issue in the Linux kernel code: PCI: rcar: Demote WARN() to dev_warn_ratelimited() in rcar_pcie_wakeup()
Problem Details: Avoid large backtrace, it is sufficient to warn the user that there has been a link problem. Either the link has failed and the system is in need of maintenance, or the link continues to work and user has been informed. The message from the warning can be looked up in the sources. This makes an actual...
```diff diff --git a/drivers/pci/controller/pcie-rcar-host.c b/drivers/pci/controller/pcie-rcar-host.c index 996077ab7cfd..c01efc6ea64f 100644 --- a/drivers/pci/controller/pcie-rcar-host.c +++ b/drivers/pci/controller/pcie-rcar-host.c @@ -78,7 +78,11 @@ static int rcar_pcie_wakeup(struct device *pcie_dev, void __iomem ...
a231707a91f323af1e5d9f1722055ec2fc1c7775
Analyze and fix the following issue in the Linux kernel code: PCI: keystone: Fix NULL pointer dereference in case of DT error in ks_pcie_setup_rc_app_regs()
Problem Details: If IORESOURCE_MEM is not provided in Device Tree due to any error, resource_list_first_type() will return NULL and pci_parse_request_of_pci_ranges() will just emit a warning. This will cause a NULL pointer dereference. Fix this bug by adding NULL return check. Found by Linux Verification Center (linu...
```diff diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index 57135eee2d7d..cd0e0022f91d 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -400,17 +400,22 @@ static const struct irq_domain_ops ks_pcie_intx_irq_dom...
9ffa0e70b2daf9b0271e4960b7c8a2350e2cda08
Analyze and fix the following issue in the Linux kernel code: PCI: keystone: Don't enable BAR 0 for AM654x
Problem Details: After 6ab15b5e7057 ("PCI: dwc: keystone: Convert .scan_bus() callback to use add_bus"), ks_pcie_v3_65_add_bus() enabled BAR 0 for both v3.65a and v4.90a devices. On the AM654x SoC, which uses v4.90a, enabling BAR 0 causes Completion Timeouts when setting up MSI-X. These timeouts delay boot of the AM6...
```diff diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index cff5bca45878..57135eee2d7d 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -289,6 +289,24 @@ static void ks_pcie_clear_dbi_mode(struct keystone_pcie ...
045fda253511681d73c6f7d3e793655a816fe219
Analyze and fix the following issue in the Linux kernel code: PCI: dra7xx: Fix dra7xx_pcie_cpu_addr_fixup() parameter name
Problem Details: The function pointer declaration for the cpu_addr_fixup() callback uses "cpu_addr" as parameter name. Likewise, the argument that is supplied to the function pointer when the function is actually called is "cpu_addr". Rename the dra7xx_pcie_cpu_addr_fixup() function parameter name to match reality. ...
```diff diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index d2d17d37d3e0..2b818346bb37 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -113,9 +113,9 @@ static inline void dra7xx_pcie_writel(struct dra7xx_pcie *pcie, u...
7903ffa44056b2f1d76548248807a78c111c9381
Analyze and fix the following issue in the Linux kernel code: PCI: artpec6: Fix artpec6_pcie_cpu_addr_fixup() parameter name
Problem Details: The function pointer declaration for the cpu_addr_fixup() callback uses "cpu_addr" as parameter name. Likewise, the argument that is supplied to the function pointer when the function is actually called is "cpu_addr". Rename the artpec6_pcie_cpu_addr_fixup() parameter name to match reality. [kwilczy...
```diff diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c index a4630b92489b..65cbb267881d 100644 --- a/drivers/pci/controller/dwc/pcie-artpec6.c +++ b/drivers/pci/controller/dwc/pcie-artpec6.c @@ -94,7 +94,7 @@ static void artpec6_pcie_writel(struct artpec6_pcie *artpec...
a9927c2cac6e9831361e43a14d91277818154e6a
Analyze and fix the following issue in the Linux kernel code: PCI: al: Check IORESOURCE_BUS existence during probe
Problem Details: If IORESOURCE_BUS is not provided in Device Tree it will be fabricated in of_pci_parse_bus_range(), so NULL pointer dereference should not happen here. But that's hard to verify, so check for NULL anyway. Found by Linux Verification Center (linuxtesting.org) with SVACE. Link: https://lore.kernel.org...
```diff diff --git a/drivers/pci/controller/dwc/pcie-al.c b/drivers/pci/controller/dwc/pcie-al.c index 6dfdda59f328..643115f74092 100644 --- a/drivers/pci/controller/dwc/pcie-al.c +++ b/drivers/pci/controller/dwc/pcie-al.c @@ -242,18 +242,24 @@ static struct pci_ops al_child_pci_ops = { .write = pci_generic_config_wr...
903534fa7d30214d8ba840ab1cd9e917e0c88e41
Analyze and fix the following issue in the Linux kernel code: PCI: Fix resource double counting on remove & rescan
Problem Details: pbus_size_mem() keeps the size of the optional resources in children_add_size. When calculating the PCI bridge window size, calculate_memsize() lower bounds size by old_size before adding children_add_size and performing the window size alignment. This results in double counting for the resources in ch...
```diff diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 909e6a7c3cc3..141d6b31959b 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -829,11 +829,9 @@ static resource_size_t calculate_memsize(resource_size_t size, size = min_size; if (old_size == 1) old_size = 0; - if (s...
4edd7dc82bd6be6989c034ccbbbccdc61034e33b
Analyze and fix the following issue in the Linux kernel code: PCI: endpoint: Rename core_init() callback in 'struct pci_epc_event_ops' to epc_init()
Problem Details: core_init() callback is used to notify the EPC initialization event to the EPF drivers. The 'core' prefix was used indicate that the controller IP core has completed initialization. But it serves no purpose as the EPF driver will only care about the EPC initialization as a whole and there is no real be...
```diff diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c index 2c54d80107cf..95c3206f609f 100644 --- a/drivers/pci/endpoint/functions/pci-epf-mhi.c +++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c @@ -716,7 +716,7 @@ static void pci_epf_mhi_dma_deinit(struct pci...
6859e4f22af359de2fe49c92c3323f20e53e9031
Analyze and fix the following issue in the Linux kernel code: PCI: endpoint: pci-epf-test: Use 'msix_capable' flag directly in pci_epf_test_alloc_space()
Problem Details: Instead of using a local variable to cache the 'msix_capable' flag, use it directly to simplify the code. Suggested-by: Niklas Cassel <cassel@kernel.org> Link: https://lore.kernel.org/linux-pci/20240418-pci-epf-test-fix-v2-2-eacd54831444@linaro.org Signed-off-by: Manivannan Sadhasivam <manivannan.sadh...
```diff diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index 546d2a27955c..3de18a601e7b 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -802,19 +802,15 @@ static int pci_epf_test_alloc_space(str...
5a5095a8bd1bd349cce1c879e5e44407a34dda8a
Analyze and fix the following issue in the Linux kernel code: PCI: endpoint: pci-epf-test: Make use of cached 'epc_features' in pci_epf_test_core_init()
Problem Details: Instead of getting the epc_features from pci_epc_get_features() API, use the cached pci_epf_test::epc_features value to avoid the NULL check. Since the NULL check is already performed in pci_epf_test_bind(), having one more check in pci_epf_test_core_init() is redundant and it is not possible to hit th...
```diff diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index 977fb79c1567..546d2a27955c 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -735,20 +735,12 @@ static int pci_epf_test_core_init(struc...
088d0de81220a74d7d553febb81656927f10bb16
Analyze and fix the following issue in the Linux kernel code: bcachefs: btree_gc can now handle unknown btrees
Problem Details: Compatibility fix - we no longer have a separate table for which order gc walks btrees in, and special case the stripes btree directly. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h index bc0ea2c4efef..2a538eb2af11 100644 --- a/fs/bcachefs/bcachefs.h +++ b/fs/bcachefs/bcachefs.h @@ -457,6 +457,7 @@ enum bch_time_stats { }; #include "alloc_types.h" +#include "btree_gc_types.h" #include "btree_types.h" #include "btree_node_sc...
b4131076c16fdd2bc6cb09cfa7e0cfe278aa49a1
Analyze and fix the following issue in the Linux kernel code: bcachefs: add missing MODULE_DESCRIPTION()
Problem Details: Fix the 'make W=1' warning: WARNING: modpost: missing MODULE_DESCRIPTION() in fs/bcachefs/mean_and_variance_test.o Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/mean_and_variance_test.c b/fs/bcachefs/mean_and_variance_test.c index 4c298e74723d..e9d9c0212e44 100644 --- a/fs/bcachefs/mean_and_variance_test.c +++ b/fs/bcachefs/mean_and_variance_test.c @@ -217,4 +217,5 @@ static struct kunit_suite mean_and_variance_test_suite = { kunit_test_suite(...
247c056bde2ebc9fad2fc62332dc7cc99b58d720
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix setting of downgrade recovery passes/errors
Problem Details: bch2_check_version_downgrade() was setting c->sb.version, which bch2_sb_set_downgrade() expects to be at the previous version; and it shouldn't even have been set directly because c->sb.version is updated by write_super(). Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c index f1bee6c5222d..d73a0222f709 100644 --- a/fs/bcachefs/super-io.c +++ b/fs/bcachefs/super-io.c @@ -1132,18 +1132,12 @@ bool bch2_check_version_downgrade(struct bch_fs *c) * c->sb will be checked before we write the superblock, so update it as ...
218e5e0c2a3acdb29ccbdfbfdd5e2def27d3aae2
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix locking assert
Problem Details: We now track whether a transaction is locked, and verify that we don't have nodes locked when the transaction isn't locked; reorder relocks to not pop the new assert. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c index 75f5e6fe4634..34056aaece00 100644 --- a/fs/bcachefs/btree_key_cache.c +++ b/fs/bcachefs/btree_key_cache.c @@ -424,16 +424,16 @@ static int btree_key_cache_fill(struct btree_trans *trans, goto err; } - if (!bch2_btree_n...
9e1a66e66870ebeebea9f674550118df3c12eaf6
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix lookup_first_inode() when inode_generations are present
Problem Details: This function is used for finding the hash seed (which is the same in all versions of an inode in different snapshots): ff an inode has been deleted in a child snapshot we need to iterate until we find a live version. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c index c8f57465131c..4cd28db9bad8 100644 --- a/fs/bcachefs/fsck.c +++ b/fs/bcachefs/fsck.c @@ -77,21 +77,17 @@ static int lookup_first_inode(struct btree_trans *trans, u64 inode_nr, struct bkey_s_c k; int ret; - bch2_trans_iter_init(trans, &iter, BTREE_I...
43cad521c6d228ea0c51e248f8e5b3a6295a2849
Analyze and fix the following issue in the Linux kernel code: tools/power/cpupower: Fix Pstate frequency reporting on AMD Family 1Ah CPUs
Problem Details: Update cpupower's P-State frequency calculation and reporting with AMD Family 1Ah+ processors, when using the acpi-cpufreq driver. This is due to a change in the PStateDef MSR layout in AMD Family 1Ah+. Tested on 4th and 5th Gen AMD EPYC system Signed-off-by: Ananth Narayan <Ananth.Narayan@amd.com> S...
```diff diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c index c519cc89c97f..0a56e22240fc 100644 --- a/tools/power/cpupower/utils/helpers/amd.c +++ b/tools/power/cpupower/utils/helpers/amd.c @@ -41,6 +41,16 @@ union core_pstate { unsigned res1:31; unsigned en:1; }...
f13e01b89daf42330a4a722f451e48c3e2edfc8d
Analyze and fix the following issue in the Linux kernel code: btrfs: ensure fast fsync waits for ordered extents after a write failure
Problem Details: If a write path in COW mode fails, either before submitting a bio for the new extents or an actual IO error happens, we can end up allowing a fast fsync to log file extent items that point to unwritten extents. This is because dropping the extent maps happens when completing ordered extents, at btrfs_...
```diff diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 91c994b569f3..6ed495ca7a31 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -89,6 +89,16 @@ enum { BTRFS_INODE_FREE_SPACE_INODE, /* Set when there are no capabilities in XATTs for the inode. */ BTRFS_INODE_NO_CAP_XATTR, ...