ipv4: coding style: comparison for inequality with NULL

The ipv4 code uses a mixture of coding styles. In some instances check
for non-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, 3 insertions, 3 deletions

diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index f0db1599a09c..d7003911c894 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -294,7 +294,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
         if (tcp_death_row.tw_count < tcp_death_row.sysctl_max_tw_buckets)
                 tw = inet_twsk_alloc(sk, state);
 
-        if (tw != NULL) {
+        if (tw) {
                 struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw);
                 const int rto = (icsk->icsk_rto << 2) - (icsk->icsk_rto >> 1);
                 struct inet_sock *inet = inet_sk(sk);
@@ -332,7 +332,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
                         struct tcp_md5sig_key *key;
                         tcptw->tw_md5_key = NULL;
                         key = tp->af_specific->md5_lookup(sk, sk);
-                        if (key != NULL) {
+                        if (key) {
                                 tcptw->tw_md5_key = kmemdup(key, sizeof(*key), GFP_ATOMIC);
                                 if (tcptw->tw_md5_key && !tcp_alloc_md5sig_pool())
                                         BUG();
@@ -454,7 +454,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
 {
         struct sock *newsk = inet_csk_clone_lock(sk, req, GFP_ATOMIC);
 
-        if (newsk != NULL) {
+        if (newsk) {
                 const struct inet_request_sock *ireq = inet_rsk(req);
                 struct tcp_request_sock *treq = tcp_rsk(req);
                 struct inet_connection_sock *newicsk = inet_csk(newsk);