network: Add NULL check

diff --git a/src/network.c b/src/network.c
index 5fdc43c..ffbf220 100644 (file)
--- a/src/network.c
+++ b/src/network.c
@@ -1332,6 +1332,9 @@ int __connman_network_set_ipconfig(struct connman_network *network,
        enum connman_ipconfig_method method;
        int ret;
 
+       if (network == NULL)
+               return -EINVAL;
+
        if (ipconfig_ipv6) {
                method = __connman_ipconfig_get_method(ipconfig_ipv6);