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ipv4: coding style: comparison for inequality with NULL

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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>
This commit is contained in:
Ian Morris
2015-04-03 09:17:27 +01:00
committed by David S. Miller
parent 51456b2914
commit 00db41243e
30 changed files with 64 additions and 63 deletions
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14
net/ipv4/tcp_output.c
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@@ -641,7 +641,7 @@ static unsigned int tcp_synack_options(struct sock *sk,
if (unlikely(!ireq->tstamp_ok))
remaining -= TCPOLEN_SACKPERM_ALIGNED;
}
if (foc != NULL && foc->len >= 0) {
if (foc && foc->len >= 0) {
u32 need = TCPOLEN_EXP_FASTOPEN_BASE + foc->len;
need = (need + 3) & ~3U; /* Align to 32 bits */
if (remaining >= need) {
@@ -2224,7 +2224,7 @@ void tcp_send_loss_probe(struct sock *sk)
int mss = tcp_current_mss(sk);
int err = -1;
if (tcp_send_head(sk) != NULL) {
if (tcp_send_head(sk)) {
err = tcp_write_xmit(sk, mss, TCP_NAGLE_OFF, 2, GFP_ATOMIC);
goto rearm_timer;
}
@@ -2758,7 +2758,7 @@ begin_fwd:
if (!tcp_can_forward_retransmit(sk))
break;
/* Backtrack if necessary to non-L'ed skb */
if (hole != NULL) {
if (hole) {
skb = hole;
hole = NULL;
}
@@ -2811,7 +2811,7 @@ void tcp_send_fin(struct sock *sk)
*/
mss_now = tcp_current_mss(sk);
if (tcp_send_head(sk) != NULL) {
if (tcp_send_head(sk)) {
TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_FIN;
TCP_SKB_CB(skb)->end_seq++;
tp->write_seq++;
@@ -3015,7 +3015,7 @@ static void tcp_connect_init(struct sock *sk)
(sysctl_tcp_timestamps ? TCPOLEN_TSTAMP_ALIGNED : 0);
#ifdef CONFIG_TCP_MD5SIG
if (tp->af_specific->md5_lookup(sk, sk) != NULL)
if (tp->af_specific->md5_lookup(sk, sk))
tp->tcp_header_len += TCPOLEN_MD5SIG_ALIGNED;
#endif
@@ -3376,8 +3376,8 @@ int tcp_write_wakeup(struct sock *sk)
if (sk->sk_state == TCP_CLOSE)
return -1;
if ((skb = tcp_send_head(sk)) != NULL &&
before(TCP_SKB_CB(skb)->seq, tcp_wnd_end(tp))) {
skb = tcp_send_head(sk);
if (skb && before(TCP_SKB_CB(skb)->seq, tcp_wnd_end(tp))) {
int err;
unsigned int mss = tcp_current_mss(sk);
unsigned int seg_size = tcp_wnd_end(tp) - TCP_SKB_CB(skb)->seq;