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

From: Steven Rostedt
Date: Fri Sep 23 2016 - 11:33:50 EST


3.10.103-rt115-rc1 stable review patch.
If anyone has any objections, please let me know.

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

From: Mike Galbraith <umgwanakikbuti@xxxxxxxxx>

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

Fix get_cpu()/put_cpu_light() imbalance.

Cc: stable-rt@xxxxxxxxxxxxxxx
Signed-off-by: Mike Gabraith <umgwanakikbuti@xxxxxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
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