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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-26 20:09:07 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-26 20:09:07 -0800
commit8c27eba54970c6ebbb408186e5baa2274435e869 (patch)
tree47348cfc4c008692eee4a9174fcc6d8b20f5e647 /net/core/skbuff.c
parent8912858bcb9e314549a4abc15db6b5841a96fa2c (diff)
parent5dba4797115c8fa05c1a4d12927a6ae0b33ffc41 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6: (41 commits) [XFRM]: Fix leak of expired xfrm_states [ATM]: [he] initialize lock and tasklet earlier [IPV4]: Remove bogus ifdef mess in arp_process [SKBUFF]: Free old skb properly in skb_morph [IPV4]: Fix memory leak in inet_hashtables.h when NUMA is on [IPSEC]: Temporarily remove locks around copying of non-atomic fields [TCP] MTUprobe: Cleanup send queue check (no need to loop) [TCP]: MTUprobe: receiver window & data available checks fixed [MAINTAINERS]: tlan list is subscribers-only [SUNRPC]: Remove SPIN_LOCK_UNLOCKED [SUNRPC]: Make xprtsock.c:xs_setup_{udp,tcp}() static [PFKEY]: Sending an SADB_GET responds with an SADB_GET [IRDA]: Compilation for CONFIG_INET=n case [IPVS]: Fix compiler warning about unused register_ip_vs_protocol [ARP]: Fix arp reply when sender ip 0 [IPV6] TCPMD5: Fix deleting key operation. [IPV6] TCPMD5: Check return value of tcp_alloc_md5sig_pool(). [IPV4] TCPMD5: Use memmove() instead of memcpy() because we have overlaps. [IPV4] TCPMD5: Omit redundant NULL check for kfree() argument. ieee80211: Stop net_ratelimit/IEEE80211_DEBUG_DROP log pollution ...
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 32d5826b717..5b4ce9b4dd2 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);