ipv4: coding style: comparison for equality with NULL

The ipv4 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, 1 insertions, 1 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index dbd51cefaf02..5bd809bfd0aa 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1047,7 +1047,7 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg,
 
         tp->fastopen_req = kzalloc(sizeof(struct tcp_fastopen_request),
                                    sk->sk_allocation);
-        if (unlikely(tp->fastopen_req == NULL))
+        if (unlikely(!tp->fastopen_req))
                 return -ENOBUFS;
         tp->fastopen_req->data = msg;
         tp->fastopen_req->size = size;