netdev - [PATCH 5/14] ehea: Don't check NETIF_F

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Message-ID: <20110405213354.0c45b523@kryten>
Date:	Tue, 5 Apr 2011 21:33:54 +1000
From:	Anton Blanchard <anton@...ba.org>
To:	leitao@...ux.vnet.ibm.com
Cc:	netdev@...r.kernel.org, michael@...erman.id.au
Subject: [PATCH 5/14] ehea: Don't check NETIF_F_TSO in TX path


It seems like the ehea xmit routine and an ethtool change of TSO
mode could race, resulting in corrupt packets. Checking gso_size
is enough and we can use the helper function.

Signed-off-by: Anton Blanchard <anton@...ba.org>
---

Index: linux-2.6/drivers/net/ehea/ehea_main.c
===================================================================
--- linux-2.6.orig/drivers/net/ehea/ehea_main.c	2011-03-21 18:32:34.568292440 +1100
+++ linux-2.6/drivers/net/ehea/ehea_main.c	2011-03-21 18:32:37.398397405 +1100
@@ -1792,7 +1792,7 @@ static inline void write_swqe2_data(stru
 	swqe->descriptors = 0;
 	sg1entry_contains_frag_data = 0;
 
-	if ((dev->features & NETIF_F_TSO) && skb_shinfo(skb)->gso_size)
+	if (skb_is_gso(skb))
 		write_swqe2_TSO(skb, swqe, lkey);
 	else
 		write_swqe2_nonTSO(skb, swqe, lkey);
--
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