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| author | Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> | 2024-06-25 14:31:34 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-07-25 09:49:18 +0200 |
| commit | a9100f17428cb733c4f6fbb132d98bed76318342 (patch) | |
| tree | 4a36ce195574ea50dbfeb26f93e67a6b4caf5824 | |
| parent | bcb649718816dc8776254b7811eb1ae63a9d3cc9 (diff) | |
| download | linux-a9100f17428cb733c4f6fbb132d98bed76318342.tar.gz linux-a9100f17428cb733c4f6fbb132d98bed76318342.tar.bz2 linux-a9100f17428cb733c4f6fbb132d98bed76318342.zip | |
drm/radeon: check bo_va->bo is non-NULL before using it
[ Upstream commit 6fb15dcbcf4f212930350eaee174bb60ed40a536 ]
The call to radeon_vm_clear_freed might clear bo_va->bo, so
we have to check it before dereferencing it.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 75d79c311038..3388a3d21d2c 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -657,7 +657,7 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev, if (r) goto error_unlock; - if (bo_va->it.start) + if (bo_va->it.start && bo_va->bo) r = radeon_vm_bo_update(rdev, bo_va, bo_va->bo->tbo.resource); error_unlock: |