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| author | Fedor Pchelkin <pchelkin@ispras.ru> | 2025-01-28 00:02:01 +0300 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2025-02-03 11:12:59 +0300 |
| commit | e4d4648eac8b4ef39f412d07715eb26f1ccd7342 (patch) | |
| tree | 3f06f6a23d5020c35651a245d8d3b7aeeaabe43e /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | 2014c95afecee3e76ca4a56956a936e23283f05b (diff) | |
| download | linux-e4d4648eac8b4ef39f412d07715eb26f1ccd7342.tar.xz | |
platform/x86: ideapad-laptop: pass a correct pointer to the driver data
devm_platform_profile_register() expects a pointer to the private driver
data but instead an address of the pointer variable is passed due to a
typo. This leads to the crashes later:
BUG: unable to handle page fault for address: 00000000fe0d0044
PGD 0 P4D 0
Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 6 UID: 0 PID: 1284 Comm: tuned Tainted: G W 6.13.0+ #7
Tainted: [W]=WARN
Hardware name: LENOVO 21D0/LNVNB161216, BIOS J6CN45WW 03/17/2023
RIP: 0010:__mutex_lock.constprop.0+0x6bf/0x7f0
Call Trace:
<TASK>
dytc_profile_set+0x4a/0x140 [ideapad_laptop]
_store_and_notify+0x13/0x40 [platform_profile]
class_for_each_device+0x145/0x180
platform_profile_store+0xc0/0x130 [platform_profile]
kernfs_fop_write_iter+0x13e/0x1f0
vfs_write+0x290/0x450
ksys_write+0x6c/0xe0
do_syscall_64+0x82/0x160
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Found by Linux Verification Center (linuxtesting.org).
Fixes: 249c576f0f9d ("ACPI: platform_profile: Let drivers set drvdata to the class device")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Reviewed-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250127210202.568691-1-pchelkin@ispras.ru
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions