linux-kernel - [PATCH 01/14] drbd: drbd_connected(): Return an error code upon failure.

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Date:	Wed,  7 Sep 2011 16:17:28 +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 01/14] drbd: drbd_connected(): Return an error code upon failure.

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_receiver.c |   17 +++++++++--------
 1 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 49dc08a..2253423 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -781,7 +781,7 @@ static int drbd_socket_okay(struct socket **sock)
 int drbd_connected(int vnr, void *p, void *data)
 {
 	struct drbd_conf *mdev = (struct drbd_conf *)p;
-	int ok = 1;
+	int err;
 
 	atomic_set(&mdev->packet_seq, 0);
 	mdev->peer_seq = 0;
@@ -790,15 +790,16 @@ int drbd_connected(int vnr, void *p, void *data)
 		&mdev->tconn->cstate_mutex :
 		&mdev->own_state_mutex;
 
-	ok &= !drbd_send_sync_param(mdev);
-	ok &= !drbd_send_sizes(mdev, 0, 0);
-	ok &= !drbd_send_uuids(mdev);
-	ok &= !drbd_send_state(mdev);
+	err = drbd_send_sync_param(mdev);
+	if (!err)
+		err = drbd_send_sizes(mdev, 0, 0);
+	if (!err)
+		err = drbd_send_uuids(mdev);
+	if (!err)
+		err = drbd_send_state(mdev);
 	clear_bit(USE_DEGR_WFC_T, &mdev->flags);
 	clear_bit(RESIZE_PENDING, &mdev->flags);
-
-
-	return !ok;
+	return err;
 }
 
 /*
-- 
1.7.4.1

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