udev: Fix coding style

diff --git a/plugins/udev.c b/plugins/udev.c
index 85c0567..3c2c09c 100644 (file)
--- a/plugins/udev.c
+++ b/plugins/udev.c
@@ -436,8 +436,8 @@ static void add_isi(struct ofono_modem *modem,
        DBG("interface %s", ifname);
 
        addr = udev_device_get_property_value(udev_device, "OFONO_ISI_ADDRESS");
-       if (addr)
-           ofono_modem_set_integer(modem, "Address", atoi(addr));
+       if (addr != NULL)
+               ofono_modem_set_integer(modem, "Address", atoi(addr));
 
        ofono_modem_register(modem);
 }