ipconfig: Check for NULL pointers before calling inet_pton on them

diff --git a/src/ipconfig.c b/src/ipconfig.c
index 92ac8f6..616cbcb 100644 (file)
--- a/src/ipconfig.c
+++ b/src/ipconfig.c
@@ -145,6 +145,9 @@ static gboolean check_ipv6_address(const char *address)
        unsigned char buf[sizeof(struct in6_addr)];
        int err;
 
+       if (address == NULL)
+               return FALSE;
+
        err = inet_pton(AF_INET6, address, buf);
        if (err > 0)
                return TRUE;