diff options
| author | Christian König <christian.koenig@amd.com> | 2022-05-11 18:40:38 +0300 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2022-05-30 12:24:50 +0300 |
| commit | 14374e3eee1b02dbf162e1dd75b789373f07ef43 (patch) | |
| tree | 67e702ca8f8e684cc55ebf8328628a5319c83f99 /drivers/dma-buf | |
| parent | ade1fc91eb99614c7155fec762ad5761bb470e06 (diff) | |
| download | linux-14374e3eee1b02dbf162e1dd75b789373f07ef43.tar.xz | |
dma-buf: cleanup dma_fence_chain_walk
Use unrcu_pointer() instead of the manual cast.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220518085446.31338-1-christian.koenig@amd.com
Diffstat (limited to 'drivers/dma-buf')
| -rw-r--r-- | drivers/dma-buf/dma-fence-chain.c | 4 |
1 files changed, 2 insertions, 2 deletions
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 |