sparse pointer use of zero as null

Get rid of sparse related warnings from places that use integer as NULL
pointer.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Andi Kleen <ak@suse.de>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Ian Kent <raven@themaw.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Davide Libenzi <davidel@xmailserver.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
index cb008d9f0a82..36a191e7004e 100644
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -448,7 +448,7 @@ int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
         if (dst) {
                 struct dst_entry *dst_test;
 
-                for (dst_test = dst; dst_test != 0;
+                for (dst_test = dst; dst_test != NULL;
                      dst_test = dst_test->child) {
                         struct xfrm_state *x = dst_test->xfrm;