netdev - [net-next PATCH 10/11] enic: bug fix: check for zero port MTU before posting warning

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Message-ID: <20090904030240.5047.72108.stgit@palito_client100.nuovasystems.com>
Date:	Thu, 03 Sep 2009 20:02:40 -0700
From:	Scott Feldman <scofeldm@...co.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org
Subject: [net-next PATCH 10/11] enic: bug fix: check for zero port MTU before
	posting warning

enic: bug fix: check for zero port MTU before posting warning

Nic firmware can return zero for port MTU, so check for non-zero value
before checking for change in port MTU.

Signed-off-by: Scott Feldman <scofeldm@...co.com>
---
 drivers/net/enic/enic_main.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 3a55669..9368dae 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -362,7 +362,7 @@ static void enic_mtu_check(struct enic *enic)
 {
 	u32 mtu = vnic_dev_mtu(enic->vdev);
 
-	if (mtu != enic->port_mtu) {
+	if (mtu && mtu != enic->port_mtu) {
 		if (mtu < enic->netdev->mtu)
 			printk(KERN_WARNING PFX
 				"%s: interface MTU (%d) set higher "

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