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authorLinus Torvalds <torvalds@g5.osdl.org>2006-04-20 15:25:37 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-20 15:25:37 -0700
commitd3d3cf05eda861d807de539cac25bcefee0f9659 (patch)
tree8ea562077369b97700ebe6af02906690a788bf51 /include
parenta6db522c9399f69ff705c8afae069b5a74a8ea6b (diff)
parent18bc89aa25fbfcf467f4ce67f76c7b9893404cac (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [EBTABLES]: Clean up vmalloc usage in net/bridge/netfilter/ebtables.c [NET]: Add skb->truesize assertion checking. [TCP]: Account skb overhead in tcp_fragment [SUNGEM]: Marvell PHY suspend. [LLC]: Use pskb_trim_rcsum() in llc_fixup_skb(). [NET]: sockfd_lookup_light() returns random error for -EBADFD
Diffstat (limited to 'include')
-rw-r--r--include/linux/skbuff.h7
-rw-r--r--include/net/sock.h1
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index c4619a428d9..f8f234708b9 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -344,6 +344,13 @@ extern void skb_over_panic(struct sk_buff *skb, int len,
void *here);
extern void skb_under_panic(struct sk_buff *skb, int len,
void *here);
+extern void skb_truesize_bug(struct sk_buff *skb);
+
+static inline void skb_truesize_check(struct sk_buff *skb)
+{
+ if (unlikely((int)skb->truesize < sizeof(struct sk_buff) + skb->len))
+ skb_truesize_bug(skb);
+}
extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
int getfrag(void *from, char *to, int offset,
diff --git a/include/net/sock.h b/include/net/sock.h
index af2b0544586..ff8b0dad7b0 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -454,6 +454,7 @@ static inline void sk_stream_set_owner_r(struct sk_buff *skb, struct sock *sk)
static inline void sk_stream_free_skb(struct sock *sk, struct sk_buff *skb)
{
+ skb_truesize_check(skb);
sock_set_flag(sk, SOCK_QUEUE_SHRUNK);
sk->sk_wmem_queued -= skb->truesize;
sk->sk_forward_alloc += skb->truesize;