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authorPaul E. McKenney <paul.mckenney@linaro.org>2012-01-06 17:06:11 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-02-21 09:03:31 -0800
commit4f9c8c1b091628a550b70ee51d7d729187f5c290 (patch)
tree2ce74534f850815825cd047882a166d17e82f028 /net/ipv4/cipso_ipv4.c
parenta6c76da8f8b4549ccec7425ba94d8395d68a2e56 (diff)
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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
Diffstat (limited to 'net/ipv4/cipso_ipv4.c')
-rw-r--r--net/ipv4/cipso_ipv4.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 86f3b88..c48adc5 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -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;