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clang: avoid possible use-after-free

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If the 'act' has been already processed by add_client_result()
it could have been possibly release - so avoid accessin 'act->'
afterward and go for next item directly.
This commit is contained in:
Zdenek Kabelac 2021-04-22 22:08:57 +02:00
parent 21bdd0a359
commit 51fd232b8e
1 changed files with 1 additions and 3 deletions
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4
daemons/lvmlockd/lvmlockd-core.c
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@ -1800,9 +1800,7 @@ static void res_process(struct lockspace *ls, struct resource *r,
act->result = -EINVAL;
list_del(&act->list);
add_client_result(act);
}
if (act->op == LD_OP_LOCK && act->mode == LD_LK_UN) {
} else if (act->op == LD_OP_LOCK && act->mode == LD_LK_UN) {
rv = res_unlock(ls, r, act);
if (rv == -ENOENT && (act->flags & LD_AF_UNLOCK_CANCEL))