From: Patrick McHardy <kaber@trash.net>
Date: Mon, 9 Apr 2007 18:45:04 +0000 (-0700)
Subject: [SK_BUFF]: Fix missing offset adjustment in pskb_expand_head
X-Git-Tag: v2.6.22-rc1~1128^2~137
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56eb88828b78f6f3b11a2996350092a40745301f;p=linux-2.6

[SK_BUFF]: Fix missing offset adjustment in pskb_expand_head

Since we're increasing the headroom, the header offsets need to be
increased by the same amount as well.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f927b6e802..4965df2976 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -667,14 +667,15 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
 	skb->data    += off;
 #ifdef NET_SKBUFF_DATA_USES_OFFSET
 	skb->end      = size;
+	off           = nhead;
 #else
 	skb->end      = skb->head + size;
+#endif
 	/* {transport,network,mac}_header and tail are relative to skb->head */
 	skb->tail	      += off;
 	skb->transport_header += off;
 	skb->network_header   += off;
 	skb->mac_header	      += off;
-#endif
 	skb->cloned   = 0;
 	skb->nohdr    = 0;
 	atomic_set(&skb_shinfo(skb)->dataref, 1);