From 21380b81ef8699179b535e197a95b891a7badac7 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Wed, 22 Feb 2006 14:47:13 -0800
Subject: [XFRM]: Eliminate refcounting confusion by creating
 __xfrm_state_put().

We often just do an atomic_dec(&x->refcnt) on an xfrm_state object
because we know there is more than 1 reference remaining and thus
we can elide the heavier xfrm_state_put() call.

Do this behind an inline function called __xfrm_state_put() so that is
more obvious and also to allow us to more cleanly add refcount
debugging later.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/xfrm.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'include/net')

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d6111a2f0a23..004e645f3e18 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -403,6 +403,11 @@ unsigned xfrm_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto, unsigned short f
 
 extern void __xfrm_state_destroy(struct xfrm_state *);
 
+static inline void __xfrm_state_put(struct xfrm_state *x)
+{
+	atomic_dec(&x->refcnt);
+}
+
 static inline void xfrm_state_put(struct xfrm_state *x)
 {
 	if (atomic_dec_and_test(&x->refcnt))
-- 
cgit v1.2.3