core: use G_SOURCE_REMOVE and G_SOURCE_CONTINUE in GSourceFuncs

plugins/huawei/mm-broadband-bearer-huawei.c

@@ -126,7 +126,7 @@ connect_retry_ndisstatqry_check_cb (MMBroadbandBearerHuawei *self)
     /* Retry same step */
     connect_3gpp_context_step (ctx);
 
-    return FALSE;
+    return G_SOURCE_REMOVE;
 }
 
 static void
@@ -505,7 +505,7 @@ disconnect_retry_ndisstatqry_check_cb (MMBroadbandBearerHuawei *self)
 
     /* Retry same step */
     disconnect_3gpp_context_step (ctx);
-    return FALSE;
+    return G_SOURCE_REMOVE;
 }
 
 static void
@@ -705,7 +705,7 @@ network_disconnect_3gpp_delayed (MMBroadbandBearerHuawei *self)
     self->priv->network_disconnect_pending_id = 0;
     mm_base_bearer_report_connection_status (MM_BASE_BEARER (self),
                                              MM_BEARER_CONNECTION_STATUS_DISCONNECTED);
-    return FALSE;
+    return G_SOURCE_REMOVE;
 }
 
 static void

plugins/huawei/mm-broadband-modem-huawei.c

@@ -712,7 +712,7 @@ after_sim_unlock_wait_cb (GSimpleAsyncResult *result)
 {
     g_simple_async_result_complete (result);
     g_object_unref (result);
-    return FALSE;
+    return G_SOURCE_REMOVE;
 }
 
 static void

plugins/huawei/mm-plugin-huawei.c

@@ -328,7 +328,7 @@ first_interface_missing_timeout_cb (MMDevice *device)
 
     /* Reload the timeout, just in case we end up not having the next interface to probe...
      * which is anyway very unlikely as we got it by looking at the real probe list, but anyway... */
-    return TRUE;
+    return G_SOURCE_CONTINUE;
 }
 
 static void