---

yaml --- r: 273844 b: refs/heads/master c: 6927d92 h: refs/heads/master v: v3
git-mirror · Oct 17, 2011 · 4f8fb39 · 4f8fb39
1 parent 22651f8
commit 4f8fb39
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Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dda1852802a6cc6fdecb9021e491b2de680c76b9
+refs/heads/master: 6927d92091df2848fc0e6a693a017d4b2df549c2
diff --git a/trunk/drivers/block/xen-blkback/blkback.c b/trunk/drivers/block/xen-blkback/blkback.c
@@ -456,15 +456,15 @@ static void xen_blk_drain_io(struct xen_blkif *blkif)
 {
 	atomic_set(&blkif->drain, 1);
 	do {
+		/* The initial value is one, and one refcnt taken at the
+		 * start of the xen_blkif_schedule thread. */
+		if (atomic_read(&blkif->refcnt) <= 2)
+			break;
 		wait_for_completion_interruptible_timeout(
 				&blkif->drain_complete, HZ);
 
 		if (!atomic_read(&blkif->drain))
 			break;
-		/* The initial value is one, and one refcnt taken at the
-		 * start of the xen_blkif_schedule thread. */
-		if (atomic_read(&blkif->refcnt) <= 2)
-			break;
 	} while (!kthread_should_stop());
 	atomic_set(&blkif->drain, 0);
 }
@@ -502,11 +502,11 @@ static void __end_block_io_op(struct pending_req *pending_req, int error)
 		make_response(pending_req->blkif, pending_req->id,
 			      pending_req->operation, pending_req->status);
 		xen_blkif_put(pending_req->blkif);
-		free_req(pending_req);
 		if (atomic_read(&pending_req->blkif->refcnt) <= 2) {
 			if (atomic_read(&pending_req->blkif->drain))
 				complete(&pending_req->blkif->drain_complete);
 		}
+		free_req(pending_req);
 	}
 }