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Avoid using memory after we free it

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Without setting errmsg to NULL here, we'll try to print this freed
value again below if another error doesn't intercede.
This commit is contained in:
Travis Cross
2013-05-28 05:28:19 +00:00
parent 5e7485ff20
commit 04b8de0619
1 changed files with 1 additions and 1 deletions
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src/switch_core_sqldb.c
+1 -1
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@@ -1676,7 +1676,7 @@ static uint32_t do_trans(switch_sql_queue_manager_t *qm)
switch_cache_db_execute_sql_real(qm->event_db, qm->pre_trans_execute, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "SQL PRE TRANS EXEC %s [%s]\n", qm->pre_trans_execute, errmsg);
free(errmsg);
free(errmsg); errmsg = NULL;
}
}