diff options
author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-10-30 01:03:53 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-10-30 15:25:12 -0400 |
commit | 9d410c796067686b1e032d54ce475b7055537138 (patch) | |
tree | 4442bdbe4a4be1cce024f2e83a12b7404ef935fa /include/linux | |
parent | 63ca2d74ea4f9c7a7ac082c915609a7b224908e7 (diff) |
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')
-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 6aebfceca3eb..bcdd6606f468 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, | |||
1757 | int to_offset, | 1757 | int to_offset, |
1758 | int size); | 1758 | int size); |
1759 | extern void skb_free_datagram(struct sock *sk, struct sk_buff *skb); | 1759 | extern void skb_free_datagram(struct sock *sk, struct sk_buff *skb); |
1760 | extern void skb_free_datagram_locked(struct sock *sk, | ||
1761 | struct sk_buff *skb); | ||
1760 | extern int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, | 1762 | extern int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, |
1761 | unsigned int flags); | 1763 | unsigned int flags); |
1762 | extern __wsum skb_checksum(const struct sk_buff *skb, int offset, | 1764 | extern __wsum skb_checksum(const struct sk_buff *skb, int offset, |