From: Jo-Philipp Wich <jow@openwrt.org>
Date: Mon, 11 Aug 2014 17:42:59 +0000 (+0200)
Subject: utils: ifa_addr may be NULL, skip such entries
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=8205107ffd31a21c1d4d93eaa7a44d41c6c3c10d;p=oweals%2Ffirewall3.git

utils: ifa_addr may be NULL, skip such entries

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
---

diff --git a/utils.c b/utils.c
index d8a881c..cb478bb 100644
--- a/utils.c
+++ b/utils.c
@@ -529,7 +529,7 @@ write_zone_uci(struct uci_context *ctx, struct fw3_zone *z,
 
 		for (ifa = ifaddr; ifa; ifa = ifa->ifa_next)
 		{
-			if (strcmp(dev->name, ifa->ifa_name))
+			if (!ifa->ifa_addr || strcmp(dev->name, ifa->ifa_name))
 				continue;
 
 			if (ifa->ifa_addr->sa_family == AF_INET)
@@ -852,7 +852,7 @@ fw3_flush_conntrack(void *state)
 			{
 				for (ifa = ifaddr; ifa && !found; ifa = ifa->ifa_next)
 				{
-					if (strcmp(dev->name, ifa->ifa_name))
+					if (!ifa->ifa_addr || strcmp(dev->name, ifa->ifa_name))
 						continue;
 
 					sin = (struct sockaddr_in *)ifa->ifa_addr;