[PATCH 03/28] dma-buf: make fence mandatory for dma_resv_add_excl_fence v2

[Christian König]

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 <christian.koe...@amd.com>
---
 drivers/dma-buf/dma-resv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

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 */
-- 
2.25.1