Commit c99907c7 authored by Christian König's avatar Christian König
Browse files

dma-buf: make fence mandatory for dma_resv_add_excl_fence v2 



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: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211129120659.1815-4-christian.koenig@amd.com
parent f8be2c59

drivers/dma-buf/dma-resv.c

+1 −2
Original line number Diff line number Diff line
@@ -305,7 +305,6 @@ 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);



	write_seqcount_begin(&obj->seq);