This is a note to let you know that I've just added the patch titled
drm/radeon: check bo_va->bo is non-NULL before using it
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-check-bo_va-bo-is-non-null-before-using-i.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit abac085ddb43be7467aaf638b173a97835cbcddf
Author: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@xxxxxxx>
Date: Tue Jun 25 14:31:34 2024 +0200
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@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index 57218263ef3b1..277a313432b28 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -653,7 +653,7 @@ 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:
