[NET]: use hlist_unhashed()
Use hlist_unhashed() rather than accessing inside data structure.
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/list.h b/include/linux/list.h
index 67258b4..76f0571 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -619,7 +619,7 @@
static inline void hlist_del_init(struct hlist_node *n)
{
- if (n->pprev) {
+ if (!hlist_unhashed(n)) {
__hlist_del(n);
INIT_HLIST_NODE(n);
}
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 1da294c..e837f98 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -150,7 +150,7 @@
static inline int inet_twsk_dead_hashed(const struct inet_timewait_sock *tw)
{
- return tw->tw_death_node.pprev != NULL;
+ return !hlist_unhashed(&tw->tw_death_node);
}
static inline void inet_twsk_dead_node_init(struct inet_timewait_sock *tw)
diff --git a/include/net/sock.h b/include/net/sock.h
index ff8b0da..c9fad6f 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -279,7 +279,7 @@
static inline int sk_hashed(const struct sock *sk)
{
- return sk->sk_node.pprev != NULL;
+ return !sk_unhashed(sk);
}
static __inline__ void sk_node_init(struct hlist_node *node)
