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net: add __must_check to sk_add_backlog

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Add the "__must_check" tag to sk_add_backlog() so that any failure to
check and drop packets will be warned about.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zhu Yi 2010-03-07 16:21:39 +00:00 committed by David S. Miller
parent 10cc2b50eb
commit 4045635318
1 changed files with 1 additions and 1 deletions
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2
include/net/sock.h
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@ -604,7 +604,7 @@ static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
}
/* The per-socket spinlock must be held here. */
static inline int sk_add_backlog(struct sock *sk, struct sk_buff *skb)
static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb)
{
if (sk->sk_backlog.len >= max(sk->sk_backlog.limit, sk->sk_rcvbuf << 1))
return -ENOBUFS;