Commit 14374e3e authored by Christian König's avatar Christian König
Browse files

dma-buf: cleanup dma_fence_chain_walk 



Use unrcu_pointer() instead of the manual cast.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220518085446.31338-1-christian.koenig@amd.com
parent ade1fc91

drivers/dma-buf/dma-fence-chain.c

+2 −2
Original line number Diff line number Diff line
@@ -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