ipv6: coding style: comparison for inequality with NULL

The ipv6 code uses a mixture of coding styles. In some instances check for NULL
pointer is done as x != NULL and sometimes as x. x is preferred according to
checkpatch and this patch makes the code consistent by adopting the latter
form.

No changes detected by objdiff.

Signed-off-by: Ian Morris <ipm@chirality.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index aa9ea6e0d63a..67e014d88e55 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -223,7 +223,7 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
                 }
         }
 
-        if (cand != NULL)
+        if (cand)
                 return cand;
 
         dev = ign->fb_tunnel_dev;
@@ -1105,7 +1105,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev,
                 t = ip6gre_tunnel_locate(net, &p1, cmd == SIOCADDTUNNEL);
 
                 if (dev != ign->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {
-                        if (t != NULL) {
+                        if (t) {
                                 if (t->dev != dev) {
                                         err = -EEXIST;
                                         break;
@@ -1313,7 +1313,7 @@ static void ip6gre_destroy_tunnels(struct net *net, struct list_head *head)
 
                         t = rtnl_dereference(ign->tunnels[prio][h]);
 
-                        while (t != NULL) {
+                        while (t) {
                                 /* If dev is in the same netns, it has already
                                  * been added to the list by the previous loop.
                                  */