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/mcast.c b/net/ipv6/mcast.c
index 3017c4a..fac1f27 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -226,7 +226,7 @@
*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 @@
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 @@
{
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 @@
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 @@
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 @@
__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;
}