On 2018年03月06日 11:09, Monk Liu wrote:
Change-Id: If6a979ba9fd6c923b82212f35f07a9ff31c86767
Signed-off-by: Monk Liu <Monk.Liu@xxxxxxx>
---
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 314eb10..29b7e45 100644
--- a/drivers/dma-buf/reservation.c
+++ b/drivers/dma-buf/reservation.c
@@ -118,7 +118,7 @@ reservation_object_add_shared_inplace(struct reservation_object *obj,
old_fence = rcu_dereference_protected(fobj->shared[i],
reservation_object_held(obj));
- if (old_fence->context == fence->context) {
+ if (dma_fence_is_later(fence, old_fence)) {
OK, good catch, to avoid warning of different context, which should be
"if ((old_fence->context == fence->context) && dma_fence_is_later(fence,
old_fence)) { "
and reservation_object_add_shared_replace need this fix as well.
Regards,
David Zhou
/* memory barrier is added by write_seqcount_begin */
RCU_INIT_POINTER(fobj->shared[i], fence);
write_seqcount_end(&obj->seq);
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