From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 11 Nov 2011 19:52:01 +0000 (+0100)
Subject: SCSI: fcoe: Fix preempt count leak in fcoe_filter_frames()
X-Git-Tag: firefly_0821_release~7541^2~2078
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d27020f6c090faf3688324af9a8b496435285039;p=firefly-linux-kernel-4.4.55.git

SCSI: fcoe: Fix preempt count leak in fcoe_filter_frames()

commit 7e1e7ead88dff75b11b86ee0d5232c4591be1326 upstream.

The error exit path leaks preempt count. Add the missing put_cpu().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 8885b3ef369a..f829adcb3b79 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1561,6 +1561,7 @@ static inline int fcoe_filter_frames(struct fc_lport *lport,
 	stats->InvalidCRCCount++;
 	if (stats->InvalidCRCCount < 5)
 		printk(KERN_WARNING "fcoe: dropping frame with CRC error\n");
+	put_cpu();
 	return -EINVAL;
 }