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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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14
net/ipv6/mcast.c
View file

@ -157,7 +157,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
mc_lst = sock_kmalloc(sk, sizeof(struct ipv6_mc_socklist), GFP_KERNEL);
if (mc_lst == NULL)
if (!mc_lst)
return -ENOMEM;
mc_lst->next = NULL;
@ -173,7 +173,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
} else
dev = __dev_get_by_index(net, ifindex);
if (dev == NULL) {
if (!dev) {
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
return -ENODEV;
}
@ -823,7 +823,7 @@ static struct ifmcaddr6 *mca_alloc(struct inet6_dev *idev,
struct ifmcaddr6 *mc;
mc = kzalloc(sizeof(*mc), GFP_ATOMIC);
if (mc == NULL)
if (!mc)
return NULL;
setup_timer(&mc->mca_timer, igmp6_timer_handler, (unsigned long)mc);
@ -860,7 +860,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr)
/* we need to take a reference on idev */
idev = in6_dev_get(dev);
if (idev == NULL)
if (!idev)
return -EINVAL;
write_lock_bh(&idev->lock);
@ -1328,7 +1328,7 @@ int igmp6_event_query(struct sk_buff *skb)
return -EINVAL;
idev = __in6_dev_get(skb->dev);
if (idev == NULL)
if (!idev)
return 0;
mld = (struct mld_msg *)icmp6_hdr(skb);
@ -1443,7 +1443,7 @@ int igmp6_event_report(struct sk_buff *skb)
return -EINVAL;
idev = __in6_dev_get(skb->dev);
if (idev == NULL)
if (!idev)
return -ENODEV;
/*
@ -1962,7 +1962,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
skb = sock_alloc_send_skb(sk, hlen + tlen + full_len, 1, &err);
if (skb == NULL) {
if (!skb) {
rcu_read_lock();
IP6_INC_STATS(net, __in6_dev_get(dev),
IPSTATS_MIB_OUTDISCARDS);