---

yaml --- r: 231994 b: refs/heads/master c: 7808121 h: refs/heads/master v: v3
git-mirror · Sep 9, 2010 · 5b3bf9c · 5b3bf9c
1 parent 1c8e720
commit 5b3bf9c
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 76ce7618f9a24f7b13958c67f7d5ccfcdab71475
+refs/heads/master: 7808121b9a1e44ef12fecd49fa6c268f27a150fc
diff --git a/trunk/drivers/xen/xenfs/xenbus.c b/trunk/drivers/xen/xenfs/xenbus.c
@@ -120,6 +120,7 @@ static ssize_t xenbus_file_read(struct file *filp,
 	int ret;
 
 	mutex_lock(&u->reply_mutex);
+again:
 	while (list_empty(&u->read_buffers)) {
 		mutex_unlock(&u->reply_mutex);
 		if (filp->f_flags & O_NONBLOCK)
@@ -158,6 +159,8 @@ static ssize_t xenbus_file_read(struct file *filp,
 					struct read_buffer, list);
 		}
 	}
+	if (i == 0)
+		goto again;
 
 out:
 	mutex_unlock(&u->reply_mutex);