Inside dma-fence-chain, we use a cmpxchg on an RCU-protected pointer. To avoid the sparse warning for using the RCU pointer directly, we have to cast away the __rcu annotation. However, we don't need to use void* everywhere and can stick to the dma_fence*. Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> --- drivers/dma-buf/dma-fence-chain.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/dma-buf/dma-fence-chain.c b/drivers/dma-buf/dma-fence-chain.c index 44a741677d25..3d123502ff12 100644 --- a/drivers/dma-buf/dma-fence-chain.c +++ b/drivers/dma-buf/dma-fence-chain.c @@ -62,7 +62,8 @@ struct dma_fence *dma_fence_chain_walk(struct dma_fence *fence) replacement = NULL; } - tmp = cmpxchg((void **)&chain->prev, (void *)prev, (void *)replacement); + tmp = cmpxchg((struct dma_fence __force **)&chain->prev, + prev, replacement); if (tmp == prev) dma_fence_put(tmp); else -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
