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authorPaul E. McKenney <paul.mckenney@linaro.org>2012-01-06 17:08:33 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-02-21 09:03:32 -0800
commit605b4afec8e51d0603089eac01a3ca9dd919e909 (patch)
tree7b57719cd58c9cbce4294eaa7c58afb09fce3829
parent4f9c8c1b091628a550b70ee51d7d729187f5c290 (diff)
ipv4: Convert call_rcu() to kfree_rcu(), drop opt_kfree_rcu
The call_rcu() in do_ip_setsockopt() invokes opt_kfree_rcu(), which just calls kfree(). So convert the call_rcu() to kfree_rcu(), which allows 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
-rw-r--r--net/ipv4/ip_sockglue.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 8aa87c19fa0..5343d9ac510 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -445,11 +445,6 @@ out:
}
-static void opt_kfree_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct ip_options_rcu, rcu));
-}
-
/*
* Socket option code for IP. This is the end of the line after any
* TCP,UDP etc options on an IP socket.
@@ -525,7 +520,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
}
rcu_assign_pointer(inet->inet_opt, opt);
if (old)
- call_rcu(&old->rcu, opt_kfree_rcu);
+ kfree_rcu(old, rcu);
break;
}
case IP_PKTINFO: