drbd: _conn_send_state_req(): 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_int.h

@@ -1955,14 +1955,14 @@ static inline int drbd_send_ping_ack(struct drbd_tconn *tconn)
 static inline int drbd_send_state_req(struct drbd_conf *mdev,
 				      union drbd_state mask, union drbd_state val)
 {
-	return _conn_send_state_req(mdev->tconn, mdev->vnr, P_STATE_CHG_REQ, mask, val);
+	return !_conn_send_state_req(mdev->tconn, mdev->vnr, P_STATE_CHG_REQ, mask, val);
 }
 
 static inline int conn_send_state_req(struct drbd_tconn *tconn,
 				      union drbd_state mask, union drbd_state val)
 {
 	enum drbd_packet cmd = tconn->agreed_pro_version < 100 ? P_STATE_CHG_REQ : P_CONN_ST_CHG_REQ;
-	return _conn_send_state_req(tconn, 0, cmd, mask, val);
+	return !_conn_send_state_req(tconn, 0, cmd, mask, val);
 }
 
 static inline void drbd_thread_stop(struct drbd_thread *thi)

drivers/block/drbd/drbd_main.c

@@ -995,7 +995,7 @@ int _conn_send_state_req(struct drbd_tconn *tconn, int vnr, enum drbd_packet cmd
 	p.mask    = cpu_to_be32(mask.i);
 	p.val     = cpu_to_be32(val.i);
 
-	return !conn_send_cmd(tconn, vnr, &tconn->data, cmd, &p.head, sizeof(p));
+	return conn_send_cmd(tconn, vnr, &tconn->data, cmd, &p.head, sizeof(p));
 }
 
 int drbd_send_sr_reply(struct drbd_conf *mdev, enum drbd_state_rv retcode)