Fail if address, netmask or gateway are not provided

diff --git a/plugins/ipv4.c b/plugins/ipv4.c
index 0a66a23..67d1ed1 100644 (file)
--- a/plugins/ipv4.c
+++ b/plugins/ipv4.c
@@ -192,6 +192,9 @@ static int ipv4_probe(struct connman_element *element)
        DBG("netmask %s", netmask);
        DBG("gateway %s", gateway);
 
+       if (address == NULL || netmask == NULL || gateway == NULL)
+               return -EINVAL;
+
        memset(&ipv4, 0, sizeof(ipv4));
        ipv4.address.s_addr = inet_addr(address);
        ipv4.netmask.s_addr = inet_addr(netmask);