Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / net / ipv4 / af_inet.c

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index f4f4aa6..6a48fe8 100644 (file)
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -67,7 +67,6 @@
  *             2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h>
 #include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/types.h>
@@ -1181,7 +1180,15 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int features)
        int ihl;
        int id;
 
-       if (!pskb_may_pull(skb, sizeof(*iph)))
+       if (unlikely(skb_shinfo(skb)->gso_type &
+                    ~(SKB_GSO_TCPV4 |
+                      SKB_GSO_UDP |
+                      SKB_GSO_DODGY |
+                      SKB_GSO_TCP_ECN |
+                      0)))
+               goto out;
+
+       if (unlikely(!pskb_may_pull(skb, sizeof(*iph))))
                goto out;
 
        iph = skb->nh.iph;
@@ -1189,7 +1196,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int features)
        if (ihl < sizeof(*iph))
                goto out;
 
-       if (!pskb_may_pull(skb, ihl))
+       if (unlikely(!pskb_may_pull(skb, ihl)))
                goto out;
 
        skb->h.raw = __skb_pull(skb, ihl);
@@ -1200,7 +1207,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int features)
 
        rcu_read_lock();
        ops = rcu_dereference(inet_protos[proto]);
-       if (ops && ops->gso_segment)
+       if (likely(ops && ops->gso_segment))
                segs = ops->gso_segment(skb, features);
        rcu_read_unlock();