From: Vincent Bernat <bernat@luffy.cx>
Date: Tue, 13 Aug 2013 20:01:05 +0000 (+0200)
Subject: lldpd: fix a segfault when a port disappear
X-Git-Tag: 0.7.7~25
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=41e57d5a8821d0151ed02bfa5635043eb5ff25cb;p=thirdparty%2Flldpd.git

lldpd: fix a segfault when a port disappear

Due to previous recent change, a NULL function could be called when a
port disappear. Fix that.
---

diff --git a/src/lldpd-structs.c b/src/lldpd-structs.c
index 376da989..5c907f0d 100644
--- a/src/lldpd-structs.c
+++ b/src/lldpd-structs.c
@@ -130,7 +130,7 @@ lldpd_remote_cleanup(struct lldpd_hardware *hardware,
 			del = 1;
 		}
 		if (del) {
-			expire(hardware, port);
+			if (expire) expire(hardware, port);
 			TAILQ_REMOVE(&hardware->h_rports, port, p_entries);
 			lldpd_port_cleanup(port, 1);
 			free(port);