From c99907c723c6f3f6cae63201ddfac610be13f997 Mon Sep 17 00:00:00 2001 From: Christian König Date: Thu, 11 Nov 2021 10:46:46 +0100 Subject: dma-buf: make fence mandatory for dma_resv_add_excl_fence v2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Calling dma_resv_add_excl_fence() with the fence as NULL and expecting that that this frees up the fences is simply abuse of the internals of the dma_resv object. v2: drop the fence pruning completely. Signed-off-by: Christian König Reviewed-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20211129120659.1815-4-christian.koenig@amd.com --- drivers/dma-buf/dma-resv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c index ff3c0558b3b8..4deea75c0b9c 100644 --- a/drivers/dma-buf/dma-resv.c +++ b/drivers/dma-buf/dma-resv.c @@ -305,8 +305,7 @@ void dma_resv_add_excl_fence(struct dma_resv *obj, struct dma_fence *fence) if (old) i = old->shared_count; - if (fence) - dma_fence_get(fence); + dma_fence_get(fence); write_seqcount_begin(&obj->seq); /* write_seqcount_begin provides the necessary memory barrier */ -- cgit v1.2.3