From 156abc2f901617834307d93f3c066250957f75b1 Mon Sep 17 00:00:00 2001 From: Alyssa Milburn Date: Sat, 6 Feb 2016 13:36:18 +0000 Subject: blockdev: unset inappropriate flags when changing medium Most importantly, this removes BDRV_O_TEMPORARY, to avoid unlink()ing an image which replaces a snapshotted one. Signed-off-by: Alyssa Milburn Message-id: 20160206133618.GA16635@li141-249.members.linode.com Signed-off-by: Max Reitz --- blockdev.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'blockdev.c') diff --git a/blockdev.c b/blockdev.c index 5c02a4289c..d4bc435940 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2513,6 +2513,8 @@ void qmp_blockdev_change_medium(const char *device, const char *filename, } bdrv_flags = blk_get_open_flags_from_root_state(blk); + bdrv_flags &= ~(BDRV_O_TEMPORARY | BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING | + BDRV_O_PROTOCOL); if (!has_read_only) { read_only = BLOCKDEV_CHANGE_READ_ONLY_MODE_RETAIN; -- cgit v1.2.1