ipconfig: Save prefixlen only if not cleared

This commit fixes a bug when using manual ipv4 addressing.
The first time it works, but once the service is reconnected it uses
an invalid netmask: 255.255.255.255.

diff --git a/src/ipconfig.c b/src/ipconfig.c
index b401c23..5e34ac0 100644 (file)
--- a/src/ipconfig.c
+++ b/src/ipconfig.c
@@ -2344,8 +2344,9 @@ int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
        }
 
        key = g_strdup_printf("%snetmask_prefixlen", prefix);
-       g_key_file_set_integer(keyfile, identifier,
-                       key, ipconfig->address->prefixlen);
+       if (ipconfig->address->prefixlen != 0)
+               g_key_file_set_integer(keyfile, identifier,
+                               key, ipconfig->address->prefixlen);
        g_free(key);
 
        key = g_strdup_printf("%slocal_address", prefix);