[PATCH 01/10] dma-buf: make to_dma_fence_array NULL safe

Christian König
2019-08-21T12:31:52Z

A bit surprising that this wasn't already the case.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
include/linux/dma-fence-array.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/dma-fence-array.h b/include/linux/dma-fence-array.h
index 303dd712220f..f99cd7eb24e0 100644
--- a/include/linux/dma-fence-array.h
+++ b/include/linux/dma-fence-array.h
@@ -68,7 +68,7 @@ static inline bool dma_fence_is_array(struct dma_fence *fence)
static inline struct dma_fence_array *
to_dma_fence_array(struct dma_fence *fence)
{
- if (fence->ops != &dma_fence_array_ops)
+ if (!fence || fence->ops != &dma_fence_array_ops)
return NULL;

return container_of(fence, struct dma_fence_array, base);
--
2.17.1