5.10-stable review patch. If anyone has any objections, please let me know.
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From: Pierre-Eric Pelloux-Prayer pierre-eric.pelloux-prayer@amd.com
commit 6fb15dcbcf4f212930350eaee174bb60ed40a536 upstream.
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: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/radeon/radeon_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -582,7 +582,7 @@ static void radeon_gem_va_update_vm(stru 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.mem);
error_unlock: