diff options
| author | Luben Tuikov <luben.tuikov@amd.com> | 2023-01-04 17:09:02 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-18 11:58:27 +0100 |
| commit | f2faf0699af78968a27ca154bf76e94247f8c471 (patch) | |
| tree | 27a5af2bcd5f176d513e532c1da11b0c8fae46d2 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | cd57d5e5e28e8b51fea428ebc7780aecb46abd02 (diff) | |
drm/amdgpu: Fix potential NULL dereference
[ Upstream commit 0be7ed8e7eb15282b5d0f6fdfea884db594ea9bf ]
Fix potential NULL dereference, in the case when "man", the resource manager
might be NULL, when/if we print debug information.
Cc: Alex Deucher <Alexander.Deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: AMD Graphics <amd-gfx@lists.freedesktop.org>
Cc: Dan Carpenter <error27@gmail.com>
Cc: kernel test robot <lkp@intel.com>
Fixes: 7554886daa31ea ("drm/amdgpu: Fix size validation for non-exclusive domains (v4)")
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 3be3cba3a16db..cfd78c4a45baa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -468,8 +468,9 @@ static bool amdgpu_bo_validate_size(struct amdgpu_device *adev, return true; fail: - DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size, - man->size); + if (man) + DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size, + man->size); return false; } |