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| author | Lijo Lazar <[email protected]> | 2025-07-18 03:55:21 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2025-08-04 19:47:50 +0000 |
| commit | c2fe914d50ab22defca14ac6fca33888bfb19843 (patch) | |
| tree | 6251552d204e67e340e5086843bebcd6633988cc /drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c | |
| parent | drm/amd/display: Revert "drm/amd/display: Fix AMDGPU_MAX_BL_LEVEL value" (diff) | |
| download | kernel-c2fe914d50ab22defca14ac6fca33888bfb19843.tar.gz kernel-c2fe914d50ab22defca14ac6fca33888bfb19843.zip | |
drm/amdgpu: Add NULL check for asic_funcs
If driver load fails too early, asic_funcs pointer remains unassigned.
Add NULL check to sanitize unwind path.
Signed-off-by: Lijo Lazar <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
(cherry picked from commit 582bf7c5158dce16f7dc5b8345b7876bd8031224)
Cc: [email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c index e56ba93a8df6..a974265837f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c @@ -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; |