linux-kernel - [PATCH 16/54] drbd: _conn_send_state_req(): Return 0 upon success and an error code otherwise

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Date:	Mon,  5 Sep 2011 13:45:07 +0200
From:	Philipp Reisner <philipp.reisner@...bit.com>
To:	linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Cc:	drbd-dev@...ts.linbit.com
Subject: [PATCH 16/54] drbd: _conn_send_state_req(): Return 0 upon success and an error code otherwise

From: Andreas Gruenbacher <agruen@...bit.com>

Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>
---
 drivers/block/drbd/drbd_int.h  |    4 ++--
 drivers/block/drbd/drbd_main.c |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index a375133..bf2eb2e 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/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)
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index e3b54ce..93713da 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/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)
-- 
1.7.4.1

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