From af5d27c4e12b804c065c0e7c87507fea5683dab4 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Mon, 9 Jan 2017 14:20:47 +0100 Subject: xfrm: remove xfrm_state_put_afinfo commit 44abdc3047aecafc141dfbaf1ed ("xfrm: replace rwlock on xfrm_state_afinfo with rcu") made xfrm_state_put_afinfo equivalent to rcu_read_unlock. Use spatch to replace it with direct calls to rcu_read_unlock: @@ struct xfrm_state_afinfo *a; @@ - xfrm_state_put_afinfo(a); + rcu_read_unlock(); old: text data bss dec hex filename 22570 72 424 23066 5a1a xfrm_state.o 1612 0 0 1612 64c xfrm_output.o new: 22554 72 424 23050 5a0a xfrm_state.o 1596 0 0 1596 63c xfrm_output.o Signed-off-by: Florian Westphal Signed-off-by: Steffen Klassert --- net/xfrm/xfrm_output.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'net/xfrm/xfrm_output.c') diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index 637387bbaaea..8ba29fe58352 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -246,10 +246,8 @@ void xfrm_local_error(struct sk_buff *skb, int mtu) return; afinfo = xfrm_state_get_afinfo(proto); - if (!afinfo) - return; - - afinfo->local_error(skb, mtu); - xfrm_state_put_afinfo(afinfo); + if (afinfo) + afinfo->local_error(skb, mtu); + rcu_read_unlock(); } EXPORT_SYMBOL_GPL(xfrm_local_error); -- cgit v1.2.3