diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-07-18 06:55:21 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-08-04 21:40:39 +0300 |
| commit | 582bf7c5158dce16f7dc5b8345b7876bd8031224 (patch) | |
| tree | 4b693f0b778c9b89d29f80f6e2e4032ac3c64372 /drivers/gpu/drm/amd/amdgpu | |
| parent | 712d98c7da689447596e388b4fb05ec4fa74d70c (diff) | |
| download | linux-582bf7c5158dce16f7dc5b8345b7876bd8031224.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -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; |