netdev - [PATCH 4/5] skbuff: skb_segment: s/fskb/list

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Date:	Mon, 10 Mar 2014 19:27:59 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	jbenc@...hat.com, David Miller <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Daniel Borkmann <dborkman@...hat.com>,
	Simon Horman <horms@...ge.net.au>,
	Paul Durrant <Paul.Durrant@...rix.com>,
	Thomas Graf <tgraf@...g.ch>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Miklos Szeredi <mszeredi@...e.cz>,
	=?us-ascii?B?PT9VVEYtOD9xP1BldGVyPTIwUGFuPTI4PUU2PUJEPTk4PUU1PThEPUFC?= =?us-ascii?B?PUU1PUI5PUIzPTI5Pz0=?= <panweiping3@...il.com>,
	netdev@...r.kernel.org
Subject: [PATCH 4/5] skbuff: skb_segment: s/fskb/list_skb/

fskb is unrelated to frag: it's coming from
frag_list. Rename it list_skb to avoid confusion.

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---
 net/core/skbuff.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index af386e1..64ee4e6 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2853,7 +2853,7 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
 {
 	struct sk_buff *segs = NULL;
 	struct sk_buff *tail = NULL;
-	struct sk_buff *fskb = skb_shinfo(head_skb)->frag_list;
+	struct sk_buff *list_skb = skb_shinfo(head_skb)->frag_list;
 	skb_frag_t *frag = skb_shinfo(head_skb)->frags;
 	unsigned int mss = skb_shinfo(head_skb)->gso_size;
 	unsigned int doffset = head_skb->data - skb_mac_header(head_skb);
@@ -2894,14 +2894,14 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
 		if (hsize > len || !sg)
 			hsize = len;
 
-		if (!hsize && i >= nfrags && skb_headlen(fskb) &&
-		    (skb_headlen(fskb) == len || sg)) {
-			BUG_ON(skb_headlen(fskb) > len);
+		if (!hsize && i >= nfrags && skb_headlen(list_skb) &&
+		    (skb_headlen(list_skb) == len || sg)) {
+			BUG_ON(skb_headlen(list_skb) > len);
 
 			i = 0;
-			nfrags = skb_shinfo(fskb)->nr_frags;
-			frag = skb_shinfo(fskb)->frags;
-			pos += skb_headlen(fskb);
+			nfrags = skb_shinfo(list_skb)->nr_frags;
+			frag = skb_shinfo(list_skb)->frags;
+			pos += skb_headlen(list_skb);
 
 			while (pos < offset + len) {
 				BUG_ON(i >= nfrags);
@@ -2915,8 +2915,8 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
 				frag++;
 			}
 
-			nskb = skb_clone(fskb, GFP_ATOMIC);
-			fskb = fskb->next;
+			nskb = skb_clone(list_skb, GFP_ATOMIC);
+			list_skb = list_skb->next;
 
 			if (unlikely(!nskb))
 				goto err;
@@ -2983,15 +2983,15 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
 
 		while (pos < offset + len) {
 			if (i >= nfrags) {
-				BUG_ON(skb_headlen(fskb));
+				BUG_ON(skb_headlen(list_skb));
 
 				i = 0;
-				nfrags = skb_shinfo(fskb)->nr_frags;
-				frag = skb_shinfo(fskb)->frags;
+				nfrags = skb_shinfo(list_skb)->nr_frags;
+				frag = skb_shinfo(list_skb)->frags;
 
 				BUG_ON(!nfrags);
 
-				fskb = fskb->next;
+				list_skb = list_skb->next;
 			}
 
 			if (unlikely(skb_shinfo(nskb)->nr_frags >=
-- 
MST

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