tcp: fix skb_availroom()

[pandora-kernel.git] / include / linux / skbuff.h

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 821c7f4..6f2bb86 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -500,7 +500,7 @@ struct sk_buff {
        union {
                __u32           mark;
                __u32           dropcount;
-               __u32           avail_size;
+               __u32           reserved_tailroom;
        };
 
        sk_buff_data_t          inner_transport_header;
@@ -1447,7 +1447,10 @@ static inline int skb_tailroom(const struct sk_buff *skb)
  */
 static inline int skb_availroom(const struct sk_buff *skb)
 {
-       return skb_is_nonlinear(skb) ? 0 : skb->avail_size - skb->len;
+       if (skb_is_nonlinear(skb))
+               return 0;
+
+       return skb->end - skb->tail - skb->reserved_tailroom;
 }
 
 /**