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Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r--net/core/skbuff.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 678ae4e783aa..fd3646209b65 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -840,8 +840,9 @@ struct sk_buff *skb_copy(const struct sk_buff *skb, gfp_t gfp_mask)
EXPORT_SYMBOL(skb_copy);
/**
- * pskb_copy - create copy of an sk_buff with private head.
+ * __pskb_copy - create copy of an sk_buff with private head.
* @skb: buffer to copy
+ * @headroom: headroom of new skb
* @gfp_mask: allocation priority
*
* Make a copy of both an &sk_buff and part of its data, located
@@ -852,16 +853,16 @@ EXPORT_SYMBOL(skb_copy);
* The returned buffer has a reference count of 1.
*/
-struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask)
+struct sk_buff *__pskb_copy(struct sk_buff *skb, int headroom, gfp_t gfp_mask)
{
- unsigned int size = skb_end_pointer(skb) - skb->head;
+ unsigned int size = skb_headlen(skb) + headroom;
struct sk_buff *n = alloc_skb(size, gfp_mask);
if (!n)
goto out;
/* Set the data pointer */
- skb_reserve(n, skb_headroom(skb));
+ skb_reserve(n, headroom);
/* Set the tail pointer and length */
skb_put(n, skb_headlen(skb));
/* Copy the bytes */
@@ -897,7 +898,7 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask)
out:
return n;
}
-EXPORT_SYMBOL(pskb_copy);
+EXPORT_SYMBOL(__pskb_copy);
/**
* pskb_expand_head - reallocate header of &sk_buff