From: Vincent Stehlé <vincent.stehle@laposte.net>
Date: Wed, 21 Sep 2016 20:54:07 +0000 (+0200)
Subject: scsi: fcoe: fix off by one in eth2fc_speed()
X-Git-Tag: v4.9-rc1~95^2~3
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=182d3f84307263e016977eaf23f9048483cf5ea2;p=linux.git

scsi: fcoe: fix off by one in eth2fc_speed()

This should be "< ARRAY_SIZE()" instead of "<= ARRAY_SIZE()".

Fixes: 0b924e5505a568e7 ("scsi: fcoe: provide translation table between Ethernet and FC port speeds")
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index c164eec54308..375c536cbc68 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -110,7 +110,7 @@ static inline u32 eth2fc_speed(u32 eth_port_speed)
 {
 	int i;
 
-	for (i = 0; i <= ARRAY_SIZE(fcoe_port_speed_mapping); i++) {
+	for (i = 0; i < ARRAY_SIZE(fcoe_port_speed_mapping); i++) {
 		if (fcoe_port_speed_mapping[i].eth_port_speed == eth_port_speed)
 			return fcoe_port_speed_mapping[i].fc_port_speed;
 	}