[SK_BUFF]: Use skb_reset_network_header where the skb_pull return was being used

But only in the cases where its a newly allocated skb, i.e. one where skb->tail
is equal to skb->data, or just after skb_reserve, where this requirement is
maintained.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 6 insertions, 2 deletions

diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 6c6c0a3a0ab..9aa7b961b3e 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -576,7 +576,9 @@ static struct sk_buff *ipxitf_adjust_skbuff(struct ipx_interface *intrfc,
         skb2 = alloc_skb(len, GFP_ATOMIC);
         if (skb2) {
                 skb_reserve(skb2, out_offset);
-                skb2->nh.raw = skb2->h.raw = skb_put(skb2, skb->len);
+                skb_reset_network_header(skb2);
+                skb2->h.raw = skb2->data;
+                skb_put(skb2, skb->len);
                 memcpy(ipx_hdr(skb2), ipx_hdr(skb), skb->len);
                 memcpy(skb2->cb, skb->cb, sizeof(skb->cb));
         }
diff --git a/net/ipx/ipx_route.c b/net/ipx/ipx_route.c
index 8e1cad971f1..e8277f544e7 100644
--- a/net/ipx/ipx_route.c
+++ b/net/ipx/ipx_route.c
@@ -203,7 +203,9 @@ int ipxrtr_route_packet(struct sock *sk, struct sockaddr_ipx *usipx,
         skb->sk = sk;
 
         /* Fill in IPX header */
-        skb->h.raw = skb->nh.raw = skb_put(skb, sizeof(struct ipxhdr));
+        skb_reset_network_header(skb);
+        skb->h.raw = skb->data;
+        skb_put(skb, sizeof(struct ipxhdr));
         ipx = ipx_hdr(skb);
         ipx->ipx_pktsize = htons(len + sizeof(struct ipxhdr));
         IPX_SKB_CB(skb)->ipx_tctrl = 0;