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savevm: Remove dead code in save_snapshot() 

The snapshot in each bs is deleted at the beginning, so there is no need
to find the snapshot again.

Signed-off-by: Tuguoyi <tu.guoyi@h3c.com>
Message-Id: <1607410416-13563-2-git-send-email-tu.guoyi@h3c.com>
Reviewed-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Tuguoyi 2020-12-08 14:53:35 +08:00 committed by Dr. David Alan Gilbert
parent 243e7480d5
commit 80ef0586d3
1 changed files with 2 additions and 8 deletions
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10
migration/savevm.c
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@ -2728,7 +2728,7 @@ int qemu_load_device_state(QEMUFile *f)
int save_snapshot(const char *name, Error **errp)
{
BlockDriverState *bs, *bs1;
QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
QEMUSnapshotInfo sn1, *sn = &sn1;
int ret = -1, ret2;
QEMUFile *f;
int saved_vm_running;
@ -2797,13 +2797,7 @@ int save_snapshot(const char *name, Error **errp)
}
if (name) {
ret = bdrv_snapshot_find(bs, old_sn, name);
if (ret >= 0) {
pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
} else {
pstrcpy(sn->name, sizeof(sn->name), name);
}
pstrcpy(sn->name, sizeof(sn->name), name);
} else {
/* cast below needed for OpenBSD where tv_sec is still 'long' */
localtime_r((const time_t *)&tv.tv_sec, &tm);