commit da753beaeb1446aa87bcca7e8a0026633a8914f0
author Akinobu Mita <mita@miraclelinux.com> Fri Apr 28 15:21:23 2006 -0700
committer David S. Miller <davem@sunset.davemloft.net> Sat Apr 29 18:33:15 2006 -0700
tree 910ca47bce30c4ef5df66c0d6545051f61d2d49e
parent a536e0778781c1f2ce38cf8e1d82ce258f0193c1

[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>

include/linux/list.h

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);
 	}