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Groups > linux.kernel > #1490259

[PATCH RT 4/9] scsi/fcoe: Fix get_cpu()/put_cpu_light() imbalance in fcoe_recv_frame()

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3.12.63-rt85-rc2 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 b439c20524ce..bd02c14b3719 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1809,7 +1809,7 @@ 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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[PATCH RT 0/9] Linux 3.12.63-rt85-rc2 Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:30 +0200
  [PATCH RT 8/9] fs/dcache: incremental fixup of the retry routine Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:30 +0200
  [PATCH RT 6/9] net: add a lock around icmp_sk() Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:30 +0200
  [PATCH RT 4/9] scsi/fcoe: Fix get_cpu()/put_cpu_light() imbalance in  fcoe_recv_frame() Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:30 +0200
  [PATCH RT 3/9] sched: lazy_preempt: avoid a warning in the !RT case Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:30 +0200
  Re: [PATCH RT 0/9] Linux 3.12.63-rt85-rc2 Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:40 +0200
  [PATCH RT 2/9] timers: wakeup all timer waiters without holding the base lock Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:40 +0200
  [PATCH RT 5/9] net: add back the missing serialization in ip_send_unicast_reply() Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:40 +0200
  [PATCH RT 7/9] fs/dcache: resched/chill only if we make no progress Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:40 +0200
  [PATCH RT 1/9] timers: wakeup all timer waiters Steven Rostedt <rostedt@goodmis.org> - 2016-09-23 17:40 +0200

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