From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Date: Fri, 11 Aug 2017 03:16:29 +0000 (-0700)
Subject: net: skb_needs_check() removes CHECKSUM_UNNECESSARY check for tx.
X-Git-Tag: v4.14-rc1~130^2~277
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=939912216fa8f62331de7d04edff492d5dc8e6e9;p=platform%2Fkernel%2Flinux-rpi.git

net: skb_needs_check() removes CHECKSUM_UNNECESSARY check for tx.

Because we remove the UFO support, we will also remove the
CHECKSUM_UNNECESSARY check in skb_needs_check().

Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/dev.c b/net/core/dev.c
index 3f69f6e..1024d37 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2731,8 +2731,7 @@ EXPORT_SYMBOL(skb_mac_gso_segment);
 static inline bool skb_needs_check(struct sk_buff *skb, bool tx_path)
 {
 	if (tx_path)
-		return skb->ip_summed != CHECKSUM_PARTIAL &&
-		       skb->ip_summed != CHECKSUM_UNNECESSARY;
+		return skb->ip_summed != CHECKSUM_PARTIAL;
 
 	return skb->ip_summed == CHECKSUM_NONE;
 }