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authorChristian König <christian.koenig@amd.com>2021-11-11 12:46:46 +0300
committerChristian König <christian.koenig@amd.com>2021-11-30 17:59:33 +0300
commitc99907c723c6f3f6cae63201ddfac610be13f997 (patch)
treea61811da7cd2727f30f9424b873548d016a65b04 /drivers/dma-buf
parentf8be2c5971f48dacbd0e6daa44184dbb6f283dc4 (diff)
downloadlinux-c99907c723c6f3f6cae63201ddfac610be13f997.tar.xz
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: Christian König <christian.koenig@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20211129120659.1815-4-christian.koenig@amd.com
Diffstat (limited to 'drivers/dma-buf')
-rw-r--r--drivers/dma-buf/dma-resv.c3
1 files changed, 1 insertions, 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 */