Commit 49c39ec4 authored by Christian König's avatar Christian König
Browse files

dma-buf: nuke dma_resv_get_excl_unlocked 



Heureka, that's finally not used any more.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210917123513.1106-27-christian.koenig@amd.com
parent fa78e367

include/linux/dma-resv.h

+0 −26
Original line number Diff line number Diff line
@@ -440,32 +440,6 @@ dma_resv_excl_fence(struct dma_resv *obj) 
	return rcu_dereference_check(obj->fence_excl, dma_resv_held(obj));

}



/**

 * dma_resv_get_excl_unlocked - get the reservation object's

 * exclusive fence, without lock held.

 * @obj: the reservation object

 *

 * If there is an exclusive fence, this atomically increments it's

 * reference count and returns it.

 *

 * RETURNS

 * The exclusive fence or NULL if none

 */

static inline struct dma_fence *

dma_resv_get_excl_unlocked(struct dma_resv *obj)

{

	struct dma_fence *fence;



	if (!rcu_access_pointer(obj->fence_excl))

		return NULL;



	rcu_read_lock();

	fence = dma_fence_get_rcu_safe(&obj->fence_excl);

	rcu_read_unlock();



	return fence;

}



/**

 * dma_resv_shared_list - get the reservation object's shared fence list

 * @obj: the reservation object