From: Sritej Velaga <sritej.velaga@qlogic.com>
Date: Thu, 18 Apr 2013 08:10:05 +0000 (+0000)
Subject: qlcnic: fix TSO race condition
X-Git-Tag: firefly_0821_release~3680^2~707^2~16^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3eead213fe9828b511faf74a7ed566b56b2b3bcc;p=firefly-linux-kernel-4.4.55.git

qlcnic: fix TSO race condition

When driver receives a packet with gso size > 0 and when TSO is disabled,
it should be transmitted as a TSO packet to prevent Tx timeout and subsequent
firmware reset.

Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 0e630061bff3..5fa847fe388a 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -358,8 +358,7 @@ set_flags:
 		memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
 	}
 	opcode = TX_ETHER_PKT;
-	if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
-	    skb_shinfo(skb)->gso_size > 0) {
+	if (skb_is_gso(skb)) {
 		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
 		first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
 		first_desc->total_hdr_length = hdr_len;