[PATCH 4/4] dma-buf: Use rcu_assign_pointer() to set rcu protected pointers

[Ville Syrjala]

From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Use rcu_assign_pointer() when setting an rcu protected pointer.
This gets rid of another sparse warning.

Cc: Dave Airlie <airl...@redhat.com>
Cc: Jason Ekstrand <ja...@jlekstrand.net>
Cc: linaro-mm-...@lists.linaro.org
Cc: linux-media@vger.kernel.org
Cc: Alex Deucher <alexander.deuc...@amd.com>
Cc: Christian König <christian.koe...@amd.com>
Cc: Sumit Semwal <sumit.sem...@linaro.org>
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/dma-buf/reservation.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma-buf/reservation.c b/drivers/dma-buf/reservation.c
index b44d9d7db347..d90333e0b6d5 100644
--- a/drivers/dma-buf/reservation.c
+++ b/drivers/dma-buf/reservation.c
@@ -318,7 +318,7 @@ int reservation_object_copy_fences(struct 
reservation_object *dst,
                                continue;
                        }
 
-                       dst_list->shared[dst_list->shared_count++] = fence;
+                       
rcu_assign_pointer(dst_list->shared[dst_list->shared_count++], fence);
                }
        } else {
                dst_list = NULL;
-- 
2.13.6