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-rw-r--r--contrib/libvhost-user/libvhost-user.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/contrib/libvhost-user/libvhost-user.h b/contrib/libvhost-user/libvhost-user.h
index 4021f1124e..5825b66880 100644
--- a/contrib/libvhost-user/libvhost-user.h
+++ b/contrib/libvhost-user/libvhost-user.h
@@ -358,7 +358,8 @@ void vu_queue_notify(VuDev *dev, VuVirtq *vq);
* @vq: a VuVirtq queue
* @sz: the size of struct to return (must be >= VuVirtqElement)
*
- * Returns: a VuVirtqElement filled from the queue or NULL.
+ * Returns: a VuVirtqElement filled from the queue or NULL. The
+ * returned element must be free()-d by the caller.
*/
void *vu_queue_pop(VuDev *dev, VuVirtq *vq, size_t sz);