ipv6: coding style: comparison for equality 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/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 41f84f7..6740206 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -131,7 +131,7 @@
struct dst_entry *dst = t->dst_cache;
if (dst && dst->obsolete &&
- dst->ops->check(dst, t->dst_cookie) == NULL) {
+ !dst->ops->check(dst, t->dst_cookie)) {
t->dst_cache = NULL;
dst_release(dst);
return NULL;
@@ -325,7 +325,7 @@
dev = alloc_netdev(sizeof(*t), name, NET_NAME_UNKNOWN,
ip6_tnl_dev_setup);
- if (dev == NULL)
+ if (!dev)
goto failed;
dev_net_set(dev, net);
@@ -496,7 +496,7 @@
rcu_read_lock();
t = ip6_tnl_lookup(dev_net(skb->dev), &ipv6h->daddr, &ipv6h->saddr);
- if (t == NULL)
+ if (!t)
goto out;
tproto = ACCESS_ONCE(t->parms.proto);
@@ -1274,7 +1274,7 @@
&p->raddr, &p->laddr,
p->link, strict);
- if (rt == NULL)
+ if (!rt)
return;
if (rt->dst.dev) {