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ipv4: Convert call_rcu() to kfree_rcu(), drop opt_kfree_rcu() 

Because opt_kfree_rcu() just calls kfree(), all call_rcu() uses of it
may be converted to kfree_rcu().  This permits opt_kfree_rcu() to
be eliminated.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: netdev@vger.kernel.org
This commit is contained in:
Paul E. McKenney 2012-01-06 17:06:11 -08:00 committed by Paul E. McKenney
parent a6c76da8f8
commit 4f9c8c1b09
1 changed files with 3 additions and 8 deletions
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11
net/ipv4/cipso_ipv4.c
View File

@ -1857,11 +1857,6 @@ static int cipso_v4_genopt(unsigned char *buf, u32 buf_len,
return CIPSO_V4_HDR_LEN + ret_val;
}
static void opt_kfree_rcu(struct rcu_head *head)
{
kfree(container_of(head, struct ip_options_rcu, rcu));
}
/**
* cipso_v4_sock_setattr - Add a CIPSO option to a socket
* @sk: the socket
@ -1938,7 +1933,7 @@ int cipso_v4_sock_setattr(struct sock *sk,
}
rcu_assign_pointer(sk_inet->inet_opt, opt);
if (old)
call_rcu(&old->rcu, opt_kfree_rcu);
kfree_rcu(old, rcu);
return 0;
@ -2005,7 +2000,7 @@ int cipso_v4_req_setattr(struct request_sock *req,
req_inet = inet_rsk(req);
opt = xchg(&req_inet->opt, opt);
if (opt)
call_rcu(&opt->rcu, opt_kfree_rcu);
kfree_rcu(opt, rcu);
return 0;
@ -2075,7 +2070,7 @@ static int cipso_v4_delopt(struct ip_options_rcu **opt_ptr)
* remove the entire option struct */
*opt_ptr = NULL;
hdr_delta = opt->opt.optlen;
call_rcu(&opt->rcu, opt_kfree_rcu);
kfree_rcu(opt, rcu);
}
return hdr_delta;