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dma-buf: dma_fence_put is NULL safe
author
Christian König
<christian.koenig@amd.com>
Mon, 7 Aug 2017 21:32:21 +0000
(17:32 -0400)
committer
Alex Deucher
<alexander.deucher@amd.com>
Wed, 9 Aug 2017 19:01:32 +0000
(15:01 -0400)
No need to check.
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
drivers/dma-buf/reservation.c
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diff --git
a/drivers/dma-buf/reservation.c
b/drivers/dma-buf/reservation.c
index
393817e
..
87f8f57
100644
(file)
--- a/
drivers/dma-buf/reservation.c
+++ b/
drivers/dma-buf/reservation.c
@@
-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);