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dma-buf: dma_fence_put is NULL safe

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Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1502141543-13455-2-git-send-email-alexander.deucher@amd.com
This commit is contained in:
Christian König 2017-08-07 17:32:21 -04:00 • committed by Alex Deucher
parent a5cb37d800
commit f3e31b73a5
1 changed files with 2 additions and 4 deletions
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6
drivers/dma-buf/reservation.c
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@ -195,8 +195,7 @@ done:
if (old)
kfree_rcu(old, rcu);
if (old_fence)
dma_fence_put(old_fence);
dma_fence_put(old_fence);
}
/**
@ -258,8 +257,7 @@ void reservation_object_add_excl_fence(struct reservation_object *obj,
dma_fence_put(rcu_dereference_protected(old->shared[i],
reservation_object_held(obj)));
if (old_fence)
dma_fence_put(old_fence);
dma_fence_put(old_fence);
}
EXPORT_SYMBOL(reservation_object_add_excl_fence);