[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>
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d6111a2..004e645 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -403,6 +403,11 @@
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))