From 3e90c6b54712eb4e361edc31526c058712df7988 Mon Sep 17 00:00:00 2001
From: pdw <>
Date: Sun, 2 Oct 2011 21:14:14 +0000
Subject: [PATCH] Fixed segfault when selecting interfaces with empty MAC
 address (e.g. gprs interface on Nokia N900) - Graham Ings
 <graham@nerve.org.za>

---
 addrs_ioctl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/addrs_ioctl.c b/addrs_ioctl.c
index c68c50f..e86e2de 100644
--- a/addrs_ioctl.c
+++ b/addrs_ioctl.c
@@ -132,6 +132,9 @@ get_addrs_ioctl(char *interface, char if_hw_addr[], struct in_addr *if_ip_addr,
         if (strcmp(ifa->ifa_name, interface))
            continue; /* Not our interface. */
 
+        if (ifa->ifa_addr == NULL)
+           continue; /* Skip NULL interface address. */
+
         if ( (ifa->ifa_addr->sa_family != AF_INET)
               && (ifa->ifa_addr->sa_family != AF_INET6) )
            continue; /* AF_PACKET is beyond our scope. */