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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-10-30 05:03:53 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-30 12:25:12 -0700 |
| commit | 9d410c796067686b1e032d54ce475b7055537138 (patch) | |
| tree | 4442bdbe4a4be1cce024f2e83a12b7404ef935fa /include/linux/skbuff.h | |
| parent | 63ca2d74ea4f9c7a7ac082c915609a7b224908e7 (diff) | |
| download | op-kernel-dev-9d410c796067686b1e032d54ce475b7055537138.zip op-kernel-dev-9d410c796067686b1e032d54ce475b7055537138.tar.gz | |
net: fix sk_forward_alloc corruption
On UDP sockets, we must call skb_free_datagram() with socket locked,
or risk sk_forward_alloc corruption. This requirement is not respected
in SUNRPC.
Add a convenient helper, skb_free_datagram_locked() and use it in SUNRPC
Reported-by: Francis Moreau <francis.moro@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 6aebfce..bcdd660 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1757,6 +1757,8 @@ extern int skb_copy_datagram_const_iovec(const struct sk_buff *from, int to_offset, int size); extern void skb_free_datagram(struct sock *sk, struct sk_buff *skb); +extern void skb_free_datagram_locked(struct sock *sk, + struct sk_buff *skb); extern int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags); extern __wsum skb_checksum(const struct sk_buff *skb, int offset, |
