From: Vincent Bernat <vbernat@wanadooportails.com>
Date: Mon, 20 Oct 2008 16:35:28 +0000 (+0200)
Subject: Test if ifa_addr is NULL before using it.
X-Git-Tag: 0.2~30
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5e5458faffb5e6a3887f5cb389f372db826ec62;p=thirdparty%2Flldpd.git

Test if ifa_addr is NULL before using it.

Thanks to Bjorn Mork for the patch.
---

diff --git a/src/lldpd.c b/src/lldpd.c
index 3f4ea32e..697bd06b 100644
--- a/src/lldpd.c
+++ b/src/lldpd.c
@@ -1438,6 +1438,10 @@ lldpd_loop(struct lldpd *cfg)
 				}
 			}
 
+		if (ifa->ifa_addr == NULL ||
+		    ifa->ifa_addr->sa_family != PF_PACKET)
+			continue;
+
 		sdl = (struct sockaddr_ll *)ifa->ifa_addr;
 		if (sdl->sll_hatype != ARPHRD_ETHER || !sdl->sll_halen)
 			continue;
@@ -1451,10 +1455,6 @@ lldpd_loop(struct lldpd *cfg)
 		    (iface_is_bond(cfg, ifa->ifa_name)))
 			continue;
 
-		if (ifa->ifa_addr == NULL ||
-		    ifa->ifa_addr->sa_family != PF_PACKET)
-			continue;
-
                 if (!(ifa->ifa_flags & IFF_MULTICAST))
                         continue;