netdev - [PATCH] netxen: Error return off by one in 'netxen_nic_set

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Date:	Wed, 20 Jun 2012 12:57:39 +0530
From:	santosh nayak <santoshprasadnayak@...il.com>
To:	sony.chacko@...gic.com, rajesh.borundia@...gic.com
Cc:	netdev@...r.kernel.org, kernel-janitors@...r.kernel.org,
	Santosh Nayak <santoshprasadnayak@...il.com>
Subject: [PATCH] netxen: Error return off by one in 'netxen_nic_set_pauseparam()'.

From: Santosh Nayak <santoshprasadnayak@...il.com>

There are 'NETXEN_NIU_MAX_GBE_PORTS'  GBE ports. Port indexing starts
from zero. 
Hence we should also return error for "port == NETXEN_NIU_MAX_GBE_PORTS"

Signed-off-by: Santosh Nayak <santoshprasadnayak@...il.com>
---
Destination tree "linux-next"


 .../ethernet/qlogic/netxen/netxen_nic_ethtool.c    |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c
index 3973040..d4f179f 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c
@@ -489,7 +489,7 @@ netxen_nic_get_pauseparam(struct net_device *dev,
 	int port = adapter->physical_port;
 
 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
-		if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+		if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
 			return;
 		/* get flow control settings */
 		val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
@@ -534,7 +534,7 @@ netxen_nic_set_pauseparam(struct net_device *dev,
 	int port = adapter->physical_port;
 	/* read mode */
 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
-		if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+		if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
 			return -EIO;
 		/* set flow control */
 		val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
-- 
1.7.4.4

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