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ipv6: coding style: comparison for equality with NULL

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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>
This commit is contained in:
Ian Morris
2015-03-29 14:00:04 +01:00
committed by David S. Miller
parent bc48878c06
commit 63159f29be
25 changed files with 173 additions and 174 deletions
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8
net/ipv6/ip6_tunnel.c
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@@ -131,7 +131,7 @@ struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t)
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 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct __ip6_tnl_parm *p)
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 @@ ip6_tnl_err(struct sk_buff *skb, __u8 ipproto, struct inet6_skb_parm *opt,
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 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
&p->raddr, &p->laddr,
p->link, strict);
if (rt == NULL)
if (!rt)
return;
if (rt->dst.dev) {