wifi: Check for passphrase being not NULL before calling strlen

It seems strlen(passphrase) was crashing on NULL passphrase.

diff --git a/plugins/wifi.c b/plugins/wifi.c
index 754b8b9..62d9216 100644 (file)
--- a/plugins/wifi.c
+++ b/plugins/wifi.c
@@ -608,7 +608,7 @@ static void ssid_init(GSupplicantSSID *ssid, struct connman_network *network)
        ssid->security = network_security(security);
        passphrase = connman_network_get_string(network,
                                                "WiFi.Passphrase");
-       if (strlen(passphrase) == 0)
+       if (passphrase == NULL || strlen(passphrase) == 0)
                ssid->passphrase = NULL;
         else
                ssid->passphrase = passphrase;