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HMP: Initialize err before using

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When bdrv_snapshot_delete return fail, the errp will not be
assigned a valid value in error_propagate as errp didn't be
initialized in hmp_delvm, then error_reportf_err will use an
uninitialized value(call by hmp_delvm), and qemu crash.

Signed-off-by: zhangjixiang <jixiang_zhang@h3c.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
zhangjixiang
2018-03-20 12:32:06 +00:00
committed by Dr. David Alan Gilbert
parent 4bdc24fa01
commit 32cd6550f7
1 changed files with 1 additions and 1 deletions
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hmp.c
+1 -1
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@@ -1321,7 +1321,7 @@ void hmp_savevm(Monitor *mon, const QDict *qdict)
void hmp_delvm(Monitor *mon, const QDict *qdict)
{
BlockDriverState *bs;
Error *err;
Error *err = NULL;
const char *name = qdict_get_str(qdict, "name");
if (bdrv_all_delete_snapshot(name, &bs, &err) < 0) {