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-rw-r--r--drivers/dma-buf/dma-buf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index c40d72d318fd..13bfd2d09c56 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -995,10 +995,10 @@ static void __unmap_dma_buf(struct dma_buf_attachment *attach,
*/
void dma_buf_detach(struct dma_buf *dmabuf, struct dma_buf_attachment *attach)
{
- if (WARN_ON(!dmabuf || !attach))
+ if (WARN_ON(!dmabuf || !attach || dmabuf != attach->dmabuf))
return;
- dma_resv_lock(attach->dmabuf->resv, NULL);
+ dma_resv_lock(dmabuf->resv, NULL);
if (attach->sgt) {