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Groups > linux.kernel > #1490282

[PATCH RT 3/8] scsi/fcoe: Fix get_cpu()/put_cpu_light() imbalance in fcoe_recv_frame()

From Steven Rostedt <rostedt@goodmis.org>
Newsgroups linux.kernel
Subject [PATCH RT 3/8] scsi/fcoe: Fix get_cpu()/put_cpu_light() imbalance in fcoe_recv_frame()
Date 2016-09-23 17:40 +0200
Message-ID <skAJY-5CZ-53@gated-at.bofh.it> (permalink)
References <skAJX-5CZ-11@gated-at.bofh.it>
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3.10.103-rt115-rc1 stable review patch.
If anyone has any objections, please let me know.

------------------

From: Mike Galbraith <umgwanakikbuti@gmail.com>

During master->rt merge, I stumbled across the buglet below.

Fix get_cpu()/put_cpu_light() imbalance.

Cc: stable-rt@vger.kernel.org
Signed-off-by: Mike Gabraith <umgwanakikbuti@gmail.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 drivers/scsi/fcoe/fcoe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 7586dd90d67e..26fa668e5b4c 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1805,7 +1805,7 @@ static void fcoe_recv_frame(struct sk_buff *skb)
 	 */
 	hp = (struct fcoe_hdr *) skb_network_header(skb);
 
-	stats = per_cpu_ptr(lport->stats, get_cpu());
+	stats = per_cpu_ptr(lport->stats, get_cpu_light());
 	if (unlikely(FC_FCOE_DECAPS_VER(hp) != FC_FCOE_VER)) {
 		if (stats->ErrorFrames < 5)
 			printk(KERN_WARNING "fcoe: FCoE version "
-- 
2.8.1

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Thread

[PATCH RT 0/8] Linux 3.10.103-rt115-rc1 Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:40 +0200
  [PATCH RT 3/8] scsi/fcoe: Fix get_cpu()/put_cpu_light() imbalance in  fcoe_recv_frame() Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:40 +0200
  [PATCH RT 6/8] fs/dcache: resched/chill only if we make no progress Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:40 +0200

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