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[PULL,1/7] sheepdog: fix snapshot tag initialization

Message ID 1371486710-17793-2-git-send-email-kwolf@redhat.com
State New
Headers show

Commit Message

Kevin Wolf June 17, 2013, 4:31 p.m. UTC 
From: Liu Yuan <namei.unix@gmail.com>

This is an old and obvious bug. We should pass snapshot_id to the
tag. Or simple command like 'qemu-img snapshot -a tag sheepdog:image' will fail

Cc: qemu-devel@nongnu.org
Cc: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Liu Yuan <namei.unix@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/sheepdog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/block/sheepdog.c b/block/sheepdog.c
index 21a4edf..94218ac 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -2063,7 +2063,7 @@  static int sd_snapshot_goto(BlockDriverState *bs, const char *snapshot_id)
     if (snapid) {
         tag[0] = 0;
     } else {
-        pstrcpy(tag, sizeof(tag), s->name);
+        pstrcpy(tag, sizeof(tag), snapshot_id);
     }
 
     ret = reload_inode(s, snapid, tag);