diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-07-18 09:25:21 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-08-04 15:47:50 -0400 |
| commit | c2fe914d50ab22defca14ac6fca33888bfb19843 (patch) | |
| tree | 6251552d204e67e340e5086843bebcd6633988cc | |
| parent | 8e6a18cbf3ee2c1e3d0afd8d3debd0ba8738ad0c (diff) | |
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 <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 582bf7c5158dce16f7dc5b8345b7876bd8031224)
Cc: stable@vger.kernel.org
| -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; |