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qcow2: fix leak of Qcow2DiscardRegion in update_refcount_discard 

When the Qcow2DiscardRegion is adjacent to another one referenced by "d",
free this Qcow2DiscardRegion metadata referenced by "p" after
it was removed from s->discards queue.

Signed-off-by: Zhang Haoyu <zhanghy@sangfor.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Zhang Haoyu 2014-10-11 16:35:43 +08:00 committed by Kevin Wolf
parent 5f77ef69a1
commit d8bb71b622
1 changed files with 1 additions and 0 deletions
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block/qcow2-refcount.c
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@ -524,6 +524,7 @@ found:
QTAILQ_REMOVE(&s->discards, p, next);
d->offset = MIN(d->offset, p->offset);
d->bytes += p->bytes;
g_free(p);
}
}