From: Gustavo Padovan gustavo.padovan@collabora.co.uk
Put fence_collection data. For that calls fence_put() on all fences and the user put callback.
Signed-off-by: Gustavo Padovan gustavo.padovan@collabora.co.uk --- drivers/dma-buf/fence.c | 17 +++++++++++++++++ include/linux/fence.h | 2 ++ 2 files changed, 19 insertions(+)
diff --git a/drivers/dma-buf/fence.c b/drivers/dma-buf/fence.c index 7b05dbe..a3fe3e7 100644 --- a/drivers/dma-buf/fence.c +++ b/drivers/dma-buf/fence.c @@ -530,3 +530,20 @@ fence_init(struct fence *fence, const struct fence_ops *ops, trace_fence_init(fence); } EXPORT_SYMBOL(fence_init); + +/** + * fence_collection_put - put all the fences in a collection + * @collection: [in] the collection to put fences + * + * This functions unrefs all fences in the collection. + */ +void fence_collection_put(struct fence_collection *collection) +{ + int i; + + for (i = 0 ; i < collection->num_fences ; i++) + fence_put(collection->fences[i]); + + collection->func(collection->user_data); +} +EXPORT_SYMBOL(fence_collection_put); diff --git a/include/linux/fence.h b/include/linux/fence.h index 3d1151f..3f871b0 100644 --- a/include/linux/fence.h +++ b/include/linux/fence.h @@ -244,6 +244,8 @@ int fence_add_callback(struct fence *fence, struct fence_cb *cb, bool fence_remove_callback(struct fence *fence, struct fence_cb *cb); void fence_enable_sw_signaling(struct fence *fence);
+void fence_collection_put(struct fence_collection *collection); + /** * fence_is_signaled_locked - Return an indication if the fence is signaled yet. * @fence: [in] the fence to check