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, 8 insertions, 8 deletions

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 3017c4a83ccc..fac1f27e428e 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -226,7 +226,7 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
                         *lnk = mc_lst->next;
 
                         dev = __dev_get_by_index(net, mc_lst->ifindex);
-                        if (dev != NULL) {
+                        if (dev) {
                                 struct inet6_dev *idev = __in6_dev_get(dev);
 
                                 (void) ip6_mc_leave_src(sk, mc_lst, idev);
@@ -2611,7 +2611,7 @@ static struct ifmcaddr6 *igmp6_mc_get_next(struct seq_file *seq, struct ifmcaddr
 
         im = im->next;
         while (!im) {
-                if (likely(state->idev != NULL))
+                if (likely(state->idev))
                         read_unlock_bh(&state->idev->lock);
 
                 state->dev = next_net_device_rcu(state->dev);
@@ -2657,7 +2657,7 @@ static void igmp6_mc_seq_stop(struct seq_file *seq, void *v)
 {
         struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
 
-        if (likely(state->idev != NULL)) {
+        if (likely(state->idev)) {
                 read_unlock_bh(&state->idev->lock);
                 state->idev = NULL;
         }
@@ -2726,10 +2726,10 @@ static inline struct ip6_sf_list *igmp6_mcf_get_first(struct seq_file *seq)
                         continue;
                 read_lock_bh(&idev->lock);
                 im = idev->mc_list;
-                if (likely(im != NULL)) {
+                if (likely(im)) {
                         spin_lock_bh(&im->mca_lock);
                         psf = im->mca_sources;
-                        if (likely(psf != NULL)) {
+                        if (likely(psf)) {
                                 state->im = im;
                                 state->idev = idev;
                                 break;
@@ -2750,7 +2750,7 @@ static struct ip6_sf_list *igmp6_mcf_get_next(struct seq_file *seq, struct ip6_s
                 spin_unlock_bh(&state->im->mca_lock);
                 state->im = state->im->next;
                 while (!state->im) {
-                        if (likely(state->idev != NULL))
+                        if (likely(state->idev))
                                 read_unlock_bh(&state->idev->lock);
 
                         state->dev = next_net_device_rcu(state->dev);
@@ -2804,11 +2804,11 @@ static void igmp6_mcf_seq_stop(struct seq_file *seq, void *v)
         __releases(RCU)
 {
         struct igmp6_mcf_iter_state *state = igmp6_mcf_seq_private(seq);
-        if (likely(state->im != NULL)) {
+        if (likely(state->im)) {
                 spin_unlock_bh(&state->im->mca_lock);
                 state->im = NULL;
         }
-        if (likely(state->idev != NULL)) {
+        if (likely(state->idev)) {
                 read_unlock_bh(&state->idev->lock);
                 state->idev = NULL;
         }