diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-11-15 20:50:00 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-08 10:22:01 -0800 |
| commit | 5213d268ccd71d4e294650d83161cd93cfb6a21e (patch) | |
| tree | 83cb7d0fe342b3028e6cf6c6da5cbc3173c0fc1f /include | |
| parent | fb97d3d0b3bab856c9419e727d543e4497da24b9 (diff) | |
net: fix sk_forward_alloc corruption
[ Upstream commit: 9d410c796067686b1e032d54ce475b7055537138 ]
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
| -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 f2c69a2cca17..ff06fb2b159f 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1761,6 +1761,8 @@ 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, |