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>
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index c61ed24..92692a7 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -118,7 +118,7 @@
return t;
}
t = rcu_dereference(sitn->tunnels_wc[0]);
- if ((t != NULL) && (t->dev->flags & IFF_UP))
+ if (t && (t->dev->flags & IFF_UP))
return t;
return NULL;
}
@@ -671,7 +671,7 @@
tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
iph->saddr, iph->daddr);
- if (tunnel != NULL) {
+ if (tunnel) {
struct pcpu_sw_netstats *tstats;
if (tunnel->parms.iph.protocol != IPPROTO_IPV6 &&
@@ -733,7 +733,7 @@
iph = ip_hdr(skb);
tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
iph->saddr, iph->daddr);
- if (tunnel != NULL) {
+ if (tunnel) {
if (tunnel->parms.iph.protocol != IPPROTO_IPIP &&
tunnel->parms.iph.protocol != 0)
goto drop;
@@ -1206,7 +1206,7 @@
t = ipip6_tunnel_locate(net, &p, cmd == SIOCADDTUNNEL);
if (dev != sitn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {
- if (t != NULL) {
+ if (t) {
if (t->dev != dev) {
err = -EEXIST;
break;
@@ -1795,7 +1795,7 @@
struct ip_tunnel *t;
t = rtnl_dereference(sitn->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.
*/