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* [PATCH] netxen : Error return off by one for XG port.
@ 2012-06-20 10:52 santosh nayak
  2012-06-20 13:06 ` Rajesh Borundia
  2012-06-25 22:27 ` David Miller
  0 siblings, 2 replies; 5+ messages in thread
From: santosh nayak @ 2012-06-20 10:52 UTC (permalink / raw)
  To: sony.chacko, rajesh.borundia; +Cc: netdev, kernel-janitors, Santosh Nayak

From: Santosh Nayak <santoshprasadnayak@gmail.com>

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

Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com>
---
 .../ethernet/qlogic/netxen/netxen_nic_ethtool.c    |    4 ++--
 drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c
index d4f179f..9103e3e 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c
@@ -511,7 +511,7 @@ netxen_nic_get_pauseparam(struct net_device *dev,
 				break;
 		}
 	} else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
-		if ((port < 0) || (port > NETXEN_NIU_MAX_XG_PORTS))
+		if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
 			return;
 		pause->rx_pause = 1;
 		val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
@@ -577,7 +577,7 @@ netxen_nic_set_pauseparam(struct net_device *dev,
 		}
 		NXWR32(adapter, NETXEN_NIU_GB_PAUSE_CTL, val);
 	} else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
-		if ((port < 0) || (port > NETXEN_NIU_MAX_XG_PORTS))
+		if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
 			return -EIO;
 		val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
 		if (port == 0) {
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
index de96a94..946160f 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
@@ -365,7 +365,7 @@ static int netxen_niu_disable_xg_port(struct netxen_adapter *adapter)
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 		return 0;
 
-	if (port > NETXEN_NIU_MAX_XG_PORTS)
+	if (port >= NETXEN_NIU_MAX_XG_PORTS)
 		return -EINVAL;
 
 	mac_cfg = 0;
@@ -392,7 +392,7 @@ static int netxen_p2_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
 	u32 port = adapter->physical_port;
 	u16 board_type = adapter->ahw.board_type;
 
-	if (port > NETXEN_NIU_MAX_XG_PORTS)
+	if (port >= NETXEN_NIU_MAX_XG_PORTS)
 		return -EINVAL;
 
 	mac_cfg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port));
-- 
1.7.4.4

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2012-06-26  5:06 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-06-20 10:52 [PATCH] netxen : Error return off by one for XG port santosh nayak
2012-06-20 13:06 ` Rajesh Borundia
2012-06-25 22:27   ` David Miller
2012-06-26  5:06     ` Rajesh Borundia
2012-06-25 22:27 ` David Miller

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