torvalds/linux
3
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-03-22 07:27:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: Add NULL check for asic_funcs

Browse Source 
If driver load fails too early, asic_funcs pointer remains unassigned.
Add NULL check to sanitize unwind path.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 582bf7c515)
Cc: stable@vger.kernel.org
This commit is contained in:
Lijo Lazar
2025-07-18 09:25:21 +05:30
committed by Alex Deucher
parent 8e6a18cbf3
commit c2fe914d50
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c
View File

@@ -55,7 +55,8 @@ u64 amdgpu_nbio_get_pcie_replay_count(struct amdgpu_device *adev)
bool amdgpu_nbio_is_replay_cnt_supported(struct amdgpu_device *adev)
{
if (amdgpu_sriov_vf(adev) || !adev->asic_funcs->get_pcie_replay_count ||
if (amdgpu_sriov_vf(adev) || !adev->asic_funcs ||
!adev->asic_funcs->get_pcie_replay_count ||
(!adev->nbio.funcs || !adev->nbio.funcs->get_pcie_replay_count))
return false;