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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com,
	akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
	josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org,
	rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
	dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com,
	bobby.prani@gmail.com,
	Patrick Marlier <patrick.marlier@gmail.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 3/4] md/bitmap: Fix list_entry_rcu usage
Date: Tue, 12 May 2015 15:46:26 -0700	[thread overview]
Message-ID: <1431470787-4702-3-git-send-email-paulmck@linux.vnet.ibm.com> (raw)
In-Reply-To: <1431470787-4702-1-git-send-email-paulmck@linux.vnet.ibm.com>

From: Patrick Marlier <patrick.marlier@gmail.com>

Signed-off-by: Patrick Marlier <patrick.marlier@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
 drivers/md/bitmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 2bc56e2a3526..32901772e4ee 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -181,7 +181,7 @@ static struct md_rdev *next_active_rdev(struct md_rdev *rdev, struct mddev *mdde
 	rcu_read_lock();
 	if (rdev == NULL)
 		/* start at the beginning */
-		rdev = list_entry_rcu(&mddev->disks, struct md_rdev, same_set);
+		rdev = list_entry_rcu(mddev->disks.next, struct md_rdev, same_set);
 	else {
 		/* release the previous rdev and start from there. */
 		rdev_dec_pending(rdev, mddev);
-- 
1.8.1.5


  parent reply	other threads:[~2015-05-12 22:47 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-12 22:46 [PATCH tip/core/rcu 0/4] RCU-protected list updates for 4.2 Paul E. McKenney
2015-05-12 22:46 ` [PATCH tip/core/rcu 1/4] rculist: Fix another sparse warning Paul E. McKenney
2015-05-12 22:46   ` [PATCH tip/core/rcu 2/4] rculist: Fix list_entry_rcu to read ptr with rcu_dereference_raw Paul E. McKenney
2015-05-12 22:46   ` Paul E. McKenney [this message]
2015-05-13  2:38     ` [PATCH tip/core/rcu 3/4] md/bitmap: Fix list_entry_rcu usage Steven Rostedt
2015-05-13  2:58       ` NeilBrown
2015-05-13 13:17         ` Paul E. McKenney
2015-05-16 17:42         ` Patrick Marlier
2015-05-18  2:06           ` NeilBrown
2015-05-18 13:43             ` Steven Rostedt
2015-05-19 22:07               ` Paul E. McKenney
2015-05-20  5:09                 ` NeilBrown
2015-05-20 13:28                   ` Paul E. McKenney
2015-05-21  0:07                     ` NeilBrown
2015-09-11 23:05                 ` Paul E. McKenney
2015-09-13 10:06                   ` Patrick Marlier
2015-09-13 16:10                     ` Paul E. McKenney
2015-09-22 20:50                       ` Paul E. McKenney
2015-09-23 17:57                         ` Patrick Marlier
2015-09-24  4:45                           ` Paul E. McKenney
2015-05-18 13:53             ` Patrick Marlier
2015-05-18 19:36               ` Patrick Marlier
2015-05-12 22:46   ` [PATCH tip/core/rcu 4/4] netfilter: " Paul E. McKenney
2015-05-13  2:42     ` Steven Rostedt

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