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@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Sep 4, 2009 · 491598a · 491598a
1 parent d73149f
commit 491598a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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 "