---

yaml --- r: 347464 b: refs/heads/master c: 98e8c6b h: refs/heads/master v: v3
git-mirror · Dec 18, 2012 · 4877e94 · 4877e94
1 parent 40a0a01
commit 4877e94
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Showing 2 changed files with 3 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 49e86f16866fbf8e3c9a6b0770eb6f3c167f4b72
+refs/heads/master: 98e8c6bc66048db6f921ccd5b24f0e09804cfcca
diff --git a/trunk/drivers/virtio/virtio_ring.c b/trunk/drivers/virtio/virtio_ring.c
@@ -188,10 +188,7 @@ static int vring_add_indirect(struct vring_virtqueue *vq,
  * Caller must ensure we don't call this with other virtqueue operations
  * at the same time (except where noted).
  *
- * Returns remaining capacity of queue or a negative error
- * (ie. ENOSPC).  Note that it only really makes sense to treat all
- * positive return values as "available": indirect buffers mean that
- * we can put an entire sg[] array inside a single queue entry.
+ * Returns zero or a negative error (ie. ENOSPC, ENOMEM).
  */
 int virtqueue_add_buf(struct virtqueue *_vq,
 		      struct scatterlist sg[],
@@ -291,7 +288,7 @@ int virtqueue_add_buf(struct virtqueue *_vq,
 	pr_debug("Added buffer head %i to %p\n", head, vq);
 	END_USE(vq);
 
-	return vq->vq.num_free;
+	return 0;
 }
 EXPORT_SYMBOL_GPL(virtqueue_add_buf);