ipv6: coding style: comparison for equality 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/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index cbdf691..a8a74d3 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -141,7 +141,7 @@
if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
struct ip6_flowlabel *flowlabel;
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
- if (flowlabel == NULL)
+ if (!flowlabel)
return -EINVAL;
fl6_sock_release(flowlabel);
}
@@ -247,7 +247,7 @@
goto failure;
}
- if (saddr == NULL) {
+ if (!saddr) {
saddr = &fl6.saddr;
sk->sk_v6_rcv_saddr = *saddr;
}
@@ -412,7 +412,7 @@
/* Only in fast or simultaneous open. If a fast open socket is
* is already accepted it is treated as a connected one below.
*/
- if (fastopen && fastopen->sk == NULL)
+ if (fastopen && !fastopen->sk)
break;
if (!sock_owned_by_user(sk)) {
@@ -750,7 +750,7 @@
buff = alloc_skb(MAX_HEADER + sizeof(struct ipv6hdr) + tot_len,
GFP_ATOMIC);
- if (buff == NULL)
+ if (!buff)
return;
skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len);
@@ -1008,7 +1008,7 @@
newsk = tcp_v4_syn_recv_sock(sk, skb, req, dst);
- if (newsk == NULL)
+ if (!newsk)
return NULL;
newtcp6sk = (struct tcp6_sock *)newsk;
@@ -1065,7 +1065,7 @@
}
newsk = tcp_create_openreq_child(sk, req, skb);
- if (newsk == NULL)
+ if (!newsk)
goto out_nonewsk;
/*
