git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-23 05:56:14 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/pm: fix null ptr access

Browse Source 
check null ptr first before access its element

v2: check adev->pm.dpm_enabled early in amdgpu_debugfs_pm_init()

Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Flora Cui
2022-01-13 14:55:24 +08:00
committed by Alex Deucher
parent e3d833f41c
commit 1613f346f8
2 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/pm/amdgpu_dpm.c
View File

@@ -463,7 +463,7 @@ int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_versio
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
int r = 0;
if (!pp_funcs->load_firmware)
if (!pp_funcs || !pp_funcs->load_firmware)
return 0;
mutex_lock(&adev->pm.mutex);