drbd: drbd_send_b_ack(): Return void: the result is never used

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

drivers/block/drbd/drbd_int.h

@@ -1181,8 +1181,8 @@ extern int conn_send_cmd(struct drbd_tconn *tconn, int vnr, struct drbd_socket *
 extern int conn_send_cmd2(struct drbd_tconn *tconn, enum drbd_packet cmd,
 			  char *data, size_t size);
 extern int drbd_send_sync_param(struct drbd_conf *mdev);
-extern int drbd_send_b_ack(struct drbd_conf *mdev, u32 barrier_nr,
-			u32 set_size);
+extern void drbd_send_b_ack(struct drbd_conf *mdev, u32 barrier_nr,
+			    u32 set_size);
 extern int drbd_send_ack(struct drbd_conf *, enum drbd_packet,
 			 struct drbd_peer_request *);
 extern int drbd_send_ack_rp(struct drbd_conf *mdev, enum drbd_packet cmd,

drivers/block/drbd/drbd_main.c

@@ -1227,19 +1227,15 @@ int drbd_send_bitmap(struct drbd_conf *mdev)
 	drbd_put_data_sock(mdev->tconn);
 	return err;
 }
-
-int drbd_send_b_ack(struct drbd_conf *mdev, u32 barrier_nr, u32 set_size)
+void drbd_send_b_ack(struct drbd_conf *mdev, u32 barrier_nr, u32 set_size)
 {
-	int ok;
 	struct p_barrier_ack p;
 
 	p.barrier  = barrier_nr;
 	p.set_size = cpu_to_be32(set_size);
 
-	if (mdev->state.conn < C_CONNECTED)
-		return false;
-	ok = !drbd_send_cmd(mdev, &mdev->tconn->meta, P_BARRIER_ACK, &p.head, sizeof(p));
-	return ok;
+	if (mdev->state.conn >= C_CONNECTED)
+		drbd_send_cmd(mdev, &mdev->tconn->meta, P_BARRIER_ACK, &p.head, sizeof(p));
 }
 
 /**