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ipv6: Remove some pointless conditionals before kfree_skb()

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Remove some pointless conditionals before kfree_skb().

The semantic match that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
expression E;
@@
- if (E)
- 	kfree_skb(E);
+ kfree_skb(E);
// </smpl>

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2009-02-23 21:45:33 +00:00 committed by David S. Miller
parent 1ce85fe402
commit 800d55f146
2 changed files with 3 additions and 6 deletions
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3
net/ipv6/ipv6_sockglue.c
View File

@ -218,8 +218,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
if (opt)
sock_kfree_s(sk, opt, opt->tot_len);
pktopt = xchg(&np->pktoptions, NULL);
if (pktopt)
kfree_skb(pktopt);
kfree_skb(pktopt);
sk->sk_destruct = inet_sock_destruct;
/*

6
net/ipv6/tcp_ipv6.c
View File

@ -533,8 +533,7 @@ static inline void syn_flood_warning(struct sk_buff *skb)
static void tcp_v6_reqsk_destructor(struct request_sock *req)
{
if (inet6_rsk(req)->pktopts)
kfree_skb(inet6_rsk(req)->pktopts);
kfree_skb(inet6_rsk(req)->pktopts);
}
#ifdef CONFIG_TCP_MD5SIG
@ -1611,8 +1610,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
}
}
if (opt_skb)
kfree_skb(opt_skb);
kfree_skb(opt_skb);
return 0;
}