drbd: drbd_send_ping(), drbd_send_ping(): Return 0 upon success and an error code otherwise

Signed-off-by: NPhilipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: NLars Ellenberg <lars.ellenberg@linbit.com>

drivers/block/drbd/drbd_main.c

@@ -768,13 +768,13 @@ int conn_send_cmd2(struct drbd_tconn *tconn, enum drbd_packet cmd, char *data,
 int drbd_send_ping(struct drbd_tconn *tconn)
 {
 	struct p_header h;
-	return !conn_send_cmd(tconn, 0, &tconn->meta, P_PING, &h, sizeof(h));
+	return conn_send_cmd(tconn, 0, &tconn->meta, P_PING, &h, sizeof(h));
 }
 
 int drbd_send_ping_ack(struct drbd_tconn *tconn)
 {
 	struct p_header h;
-	return !conn_send_cmd(tconn, 0, &tconn->meta, P_PING_ACK, &h, sizeof(h));
+	return conn_send_cmd(tconn, 0, &tconn->meta, P_PING_ACK, &h, sizeof(h));
 }
 
 int drbd_send_sync_param(struct drbd_conf *mdev)

drivers/block/drbd/drbd_receiver.c

@@ -4498,7 +4498,7 @@ static int got_RqSReply(struct drbd_tconn *tconn, struct packet_info *pi)
 
 static int got_Ping(struct drbd_tconn *tconn, struct packet_info *pi)
 {
-	return drbd_send_ping_ack(tconn);
+	return !drbd_send_ping_ack(tconn);
 
 }
 
@@ -4851,7 +4851,7 @@ int drbd_asender(struct drbd_thread *thi)
 	while (get_t_state(thi) == RUNNING) {
 		drbd_thread_current_set_cpu(thi);
 		if (test_and_clear_bit(SEND_PING, &tconn->flags)) {
-			if (!drbd_send_ping(tconn)) {
+			if (drbd_send_ping(tconn)) {
 				conn_err(tconn, "drbd_send_ping has failed\n");
 				goto reconnect;
 			}