diff mbox series

dma-buf: cleanup dma_fence_chain_walk

Message ID 20220518085446.31338-1-christian.koenig@amd.com
State New
Headers show
Series dma-buf: cleanup dma_fence_chain_walk | expand

Commit Message

Christian König May 18, 2022, 8:54 a.m. UTC
Use unrcu_pointer() instead of the manual cast.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/dma-buf/dma-fence-chain.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/dma-buf/dma-fence-chain.c b/drivers/dma-buf/dma-fence-chain.c
index 06f8ef97c6e8..a0d920576ba6 100644
--- a/drivers/dma-buf/dma-fence-chain.c
+++ b/drivers/dma-buf/dma-fence-chain.c
@@ -62,8 +62,8 @@  struct dma_fence *dma_fence_chain_walk(struct dma_fence *fence)
 			replacement = NULL;
 		}
 
-		tmp = cmpxchg((struct dma_fence __force **)&chain->prev,
-			      prev, replacement);
+		tmp = unrcu_pointer(cmpxchg(&chain->prev, RCU_INITIALIZER(prev),
+					     RCU_INITIALIZER(replacement)));
 		if (tmp == prev)
 			dma_fence_put(tmp);
 		else