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Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r--net/core/skbuff.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 32d5826b7177..5b4ce9b4dd20 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -275,12 +275,11 @@ static void skb_release_data(struct sk_buff *skb)
/*
* Free an skbuff by memory without cleaning the state.
*/
-void kfree_skbmem(struct sk_buff *skb)
+static void kfree_skbmem(struct sk_buff *skb)
{
struct sk_buff *other;
atomic_t *fclone_ref;
- skb_release_data(skb);
switch (skb->fclone) {
case SKB_FCLONE_UNAVAILABLE:
kmem_cache_free(skbuff_head_cache, skb);
@@ -307,16 +306,8 @@ void kfree_skbmem(struct sk_buff *skb)
}
}
-/**
- * __kfree_skb - private function
- * @skb: buffer
- *
- * Free an sk_buff. Release anything attached to the buffer.
- * Clean the state. This is an internal helper function. Users should
- * always call kfree_skb
- */
-
-void __kfree_skb(struct sk_buff *skb)
+/* Free everything but the sk_buff shell. */
+static void skb_release_all(struct sk_buff *skb)
{
dst_release(skb->dst);
#ifdef CONFIG_XFRM
@@ -340,7 +331,21 @@ void __kfree_skb(struct sk_buff *skb)
skb->tc_verd = 0;
#endif
#endif
+ skb_release_data(skb);
+}
+
+/**
+ * __kfree_skb - private function
+ * @skb: buffer
+ *
+ * Free an sk_buff. Release anything attached to the buffer.
+ * Clean the state. This is an internal helper function. Users should
+ * always call kfree_skb
+ */
+void __kfree_skb(struct sk_buff *skb)
+{
+ skb_release_all(skb);
kfree_skbmem(skb);
}
@@ -441,7 +446,7 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, struct sk_buff *skb)
*/
struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src)
{
- skb_release_data(dst);
+ skb_release_all(dst);
return __skb_clone(dst, src);
}
EXPORT_SYMBOL_GPL(skb_morph);