From: Arjun Vynipadath <arjun@chelsio.com>
Date: Tue, 3 Oct 2017 11:43:05 +0530
Subject: cxgb4: Update comment for min_mtu
Patch-mainline: v4.15-rc1
Git-commit: a047fbae23e1d94da28f81fb0f86fab4e473a094
References: bsc#1064802 bsc#1066129

We have lost a comment for minimum mtu value set for netdevice with
'commit d894be57ca92 ("ethernet: use net core MTU range checking in
more drivers"). Updating it accordingly.

Signed-off-by: Arjun Vynipadath <arjun@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -5024,7 +5024,7 @@ static int init_one(struct pci_dev *pdev
 		netdev->priv_flags |= IFF_UNICAST_FLT;
 
 		/* MTU range: 81 - 9600 */
-		netdev->min_mtu = 81;
+		netdev->min_mtu = 81;              /* accommodate SACK */
 		netdev->max_mtu = MAX_MTU;
 
 		netdev->netdev_ops = &cxgb4_netdev_ops;