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authorLai Jiangshan <laijs@cn.fujitsu.com>2011-03-18 06:45:08 +0300
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-05-08 09:50:59 +0400
commit10d50e748d983ff1003e0cf556ea17fa8f32c382 (patch)
tree4dc0df6ac2524b68e2b5d360ac5e24f3aa0051c4 /net/ipv4
parent7519cce48fb0a314dac473bdfba203b787435857 (diff)
downloadlinux-10d50e748d983ff1003e0cf556ea17fa8f32c382.tar.xz
net,rcu: convert call_rcu(ip_mc_socklist_reclaim) to kfree_rcu()
The rcu callback ip_mc_socklist_reclaim() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(ip_mc_socklist_reclaim). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/igmp.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 85a6e5d70632..8f62d66d0857 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1850,14 +1850,6 @@ static int ip_mc_leave_src(struct sock *sk, struct ip_mc_socklist *iml,
return err;
}
-
-static void ip_mc_socklist_reclaim(struct rcu_head *rp)
-{
- kfree(container_of(rp, struct ip_mc_socklist, rcu));
- /* sk_omem_alloc should have been decreased by the caller*/
-}
-
-
/*
* Ask a socket to leave a group.
*/
@@ -1897,7 +1889,7 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr)
rtnl_unlock();
/* decrease mem now to avoid the memleak warning */
atomic_sub(sizeof(*iml), &sk->sk_omem_alloc);
- call_rcu(&iml->rcu, ip_mc_socklist_reclaim);
+ kfree_rcu(iml, rcu);
return 0;
}
if (!in_dev)
@@ -2312,7 +2304,7 @@ void ip_mc_drop_socket(struct sock *sk)
ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);
/* decrease mem now to avoid the memleak warning */
atomic_sub(sizeof(*iml), &sk->sk_omem_alloc);
- call_rcu(&iml->rcu, ip_mc_socklist_reclaim);
+ kfree_rcu(iml, rcu);
}
rtnl_unlock();
}