From: George Danchev <danchev@spnet.net>
Date: Thu, 13 Sep 2012 00:11:12 +0000 (-0400)
Subject: Avoid a memory-leak on OOM in evdns.
X-Git-Tag: release-2.0.21-stable~17
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=73e85dd08fd3d9f3a98a30c9f9f9f46fee0d5e71;p=libevent

Avoid a memory-leak on OOM in evdns.
---

diff --git a/evdns.c b/evdns.c
index e9cea45b..7b0fc2bd 100644
--- a/evdns.c
+++ b/evdns.c
@@ -2291,7 +2291,10 @@ nameserver_send_probe(struct nameserver *const ns) {
 	handle = mm_calloc(1, sizeof(*handle));
 	if (!handle) return;
 	req = request_new(ns->base, handle, TYPE_A, "google.com", DNS_QUERY_NO_SEARCH, nameserver_probe_callback, ns);
-	if (!req) return;
+	if (!req) {
+		mm_free(handle);
+		return;
+	}
 	ns->probe_request = handle;
 	/* we force this into the inflight queue no matter what */
 	request_trans_id_set(req, transaction_id_pick(ns->base));