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Message-Id: <1472486640-1111-7-git-send-email-hejianet@gmail.com>
Date: Tue, 30 Aug 2016 00:04:00 +0800
From: Jia He <hejianet@...il.com>
To: netdev@...r.kernel.org
Cc: linux-sctp@...r.kernel.org, linux-kernel@...r.kernel.org,
davem@...emloft.net, Alexey Kuznetsov <kuznet@....inr.ac.ru>,
James Morris <jmorris@...ei.org>,
Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
Patrick McHardy <kaber@...sh.net>,
Vlad Yasevich <vyasevich@...il.com>,
Neil Horman <nhorman@...driver.com>,
Steffen Klassert <steffen.klassert@...unet.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
Jia He <hejianet@...il.com>
Subject: [RFC PATCH 6/6] net: Suppress the "Comparison to NULL
This is to suppress the checkpatch.pl warning "Comparison to NULL
could be written". No functional changes here.
Signed-off-by: Jia He <hejianet@...il.com>
---
net/ipv4/proc.c | 42 +++++++++++++++++++++---------------------
net/sctp/proc.c | 4 ++--
net/xfrm/xfrm_proc.c | 4 ++--
3 files changed, 25 insertions(+), 25 deletions(-)
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index ed09566..8cbf3e0 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -355,22 +355,22 @@ static void icmp_put(struct seq_file *seq)
atomic_long_t *ptr = net->mib.icmpmsg_statistics->mibs;
seq_puts(seq, "\nIcmp: InMsgs InErrors InCsumErrors");
- for (i = 0; icmpmibmap[i].name != NULL; i++)
+ for (i = 0; icmpmibmap[i].name; i++)
seq_printf(seq, " In%s", icmpmibmap[i].name);
seq_puts(seq, " OutMsgs OutErrors");
- for (i = 0; icmpmibmap[i].name != NULL; i++)
+ for (i = 0; icmpmibmap[i].name; i++)
seq_printf(seq, " Out%s", icmpmibmap[i].name);
seq_printf(seq, "\nIcmp: %lu %lu %lu",
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_INMSGS),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_INERRORS),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_CSUMERRORS));
- for (i = 0; icmpmibmap[i].name != NULL; i++)
+ for (i = 0; icmpmibmap[i].name; i++)
seq_printf(seq, " %lu",
atomic_long_read(ptr + icmpmibmap[i].index));
seq_printf(seq, " %lu %lu",
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTMSGS),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTERRORS));
- for (i = 0; icmpmibmap[i].name != NULL; i++)
+ for (i = 0; icmpmibmap[i].name; i++)
seq_printf(seq, " %lu",
atomic_long_read(ptr + (icmpmibmap[i].index | 0x100)));
}
@@ -389,7 +389,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
memset(buff64, 0, IPSTATS_MIB_MAX * sizeof(u64));
seq_puts(seq, "Ip: Forwarding DefaultTTL");
- for (i = 0; snmp4_ipstats_list[i].name != NULL; i++)
+ for (i = 0; snmp4_ipstats_list[i].name; i++)
seq_printf(seq, " %s", snmp4_ipstats_list[i].name);
seq_printf(seq, "\nIp: %d %d",
@@ -399,30 +399,30 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
BUILD_BUG_ON(offsetof(struct ipstats_mib, mibs) != 0);
for_each_possible_cpu(c) {
- for (i = 0; snmp4_ipstats_list[i].name != NULL; i++)
+ for (i = 0; snmp4_ipstats_list[i].name; i++)
buff64[i] += snmp_get_cpu_field64(
net->mib.ip_statistics,
c, snmp4_ipstats_list[i].entry,
offsetof(struct ipstats_mib, syncp));
}
- for (i = 0; snmp4_ipstats_list[i].name != NULL; i++)
+ for (i = 0; snmp4_ipstats_list[i].name; i++)
seq_printf(seq, " %llu", buff64[i]);
icmp_put(seq); /* RFC 2011 compatibility */
icmpmsg_put(seq);
seq_puts(seq, "\nTcp:");
- for (i = 0; snmp4_tcp_list[i].name != NULL; i++)
+ for (i = 0; snmp4_tcp_list[i].name; i++)
seq_printf(seq, " %s", snmp4_tcp_list[i].name);
seq_puts(seq, "\nTcp:");
for_each_possible_cpu(c) {
- for (i = 0; snmp4_tcp_list[i].name != NULL; i++)
+ for (i = 0; snmp4_tcp_list[i].name; i++)
buff[i] += snmp_get_cpu_field(net->mib.tcp_statistics,
c, snmp4_tcp_list[i].entry);
}
- for (i = 0; snmp4_tcp_list[i].name != NULL; i++) {
+ for (i = 0; snmp4_tcp_list[i].name; i++) {
/* MaxConn field is signed, RFC 2012 */
if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN)
seq_printf(seq, " %ld", buff[i]);
@@ -433,23 +433,23 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
memset(buff, 0, TCP_MIB_MAX * sizeof(unsigned long));
for_each_possible_cpu(c) {
- for (i = 0; snmp4_udp_list[i].name != NULL; i++)
+ for (i = 0; snmp4_udp_list[i].name; i++)
buff[i] += snmp_get_cpu_field(net->mib.udp_statistics,
c, snmp4_udp_list[i].entry);
}
seq_puts(seq, "\nUdp:");
- for (i = 0; snmp4_udp_list[i].name != NULL; i++)
+ for (i = 0; snmp4_udp_list[i].name; i++)
seq_printf(seq, " %s", snmp4_udp_list[i].name);
seq_puts(seq, "\nUdp:");
- for (i = 0; snmp4_udp_list[i].name != NULL; i++)
+ for (i = 0; snmp4_udp_list[i].name; i++)
seq_printf(seq, " %lu", buff[i]);
/* the UDP and UDP-Lite MIBs are the same */
seq_puts(seq, "\nUdpLite:");
- for (i = 0; snmp4_udp_list[i].name != NULL; i++)
+ for (i = 0; snmp4_udp_list[i].name; i++)
seq_printf(seq, " %s", snmp4_udp_list[i].name);
seq_puts(seq, "\nUdpLite:");
- for (i = 0; snmp4_udp_list[i].name != NULL; i++)
+ for (i = 0; snmp4_udp_list[i].name; i++)
seq_printf(seq, " %lu", buff[i]);
seq_putc(seq, '\n');
@@ -485,29 +485,29 @@ static int netstat_seq_show(struct seq_file *seq, void *v)
memset(buff64, 0, sizeof(u64) * IPSTATS_MIB_MAX);
seq_puts(seq, "TcpExt:");
- for (i = 0; snmp4_net_list[i].name != NULL; i++)
+ for (i = 0; snmp4_net_list[i].name; i++)
seq_printf(seq, " %s", snmp4_net_list[i].name);
seq_puts(seq, "\nTcpExt:");
for_each_possible_cpu(c)
- for (i = 0; snmp4_net_list[i].name != NULL; i++)
+ for (i = 0; snmp4_net_list[i].name; i++)
buff[i] += snmp_get_cpu_field(net->mib.net_statistics,
c, snmp4_net_list[i].entry);
- for (i = 0; snmp4_net_list[i].name != NULL; i++)
+ for (i = 0; snmp4_net_list[i].name; i++)
seq_printf(seq, " %lu", buff[i]);
seq_puts(seq, "\nIpExt:");
- for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++)
+ for (i = 0; snmp4_ipextstats_list[i].name; i++)
seq_printf(seq, " %s", snmp4_ipextstats_list[i].name);
seq_puts(seq, "\nIpExt:");
for_each_possible_cpu(c)
- for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++)
+ for (i = 0; snmp4_ipextstats_list[i].name; i++)
buff64[i] += snmp_get_cpu_field64(
net->mib.ip_statistics,
c, snmp4_ipextstats_list[i].entry,
offsetof(struct ipstats_mib, syncp));
- for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++)
+ for (i = 0; snmp4_ipextstats_list[i].name; i++)
seq_printf(seq, " %llu", buff64[i]);
seq_putc(seq, '\n');
diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 085fb95..816a5e8 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -80,11 +80,11 @@ static int sctp_snmp_seq_show(struct seq_file *seq, void *v)
memset(buff, 0, sizeof(unsigned long) * SCTP_MIB_MAX);
for_each_possible_cpu(c)
- for (i = 0; sctp_snmp_list[i].name != NULL; i++)
+ for (i = 0; sctp_snmp_list[i].name; i++)
buff[i] += snmp_get_cpu_field(
net->sctp.sctp_statistics,
c, sctp_snmp_list[i].entry);
- for (i = 0; sctp_snmp_list[i].name != NULL; i++)
+ for (i = 0; sctp_snmp_list[i].name; i++)
seq_printf(seq, "%-32s\t%ld\n", sctp_snmp_list[i].name,
buff[i]);
diff --git a/net/xfrm/xfrm_proc.c b/net/xfrm/xfrm_proc.c
index c9df546..2f1da2d 100644
--- a/net/xfrm/xfrm_proc.c
+++ b/net/xfrm/xfrm_proc.c
@@ -57,11 +57,11 @@ static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX);
for_each_possible_cpu(c)
- for (i = 0; xfrm_mib_list[i].name != NULL; i++)
+ for (i = 0; xfrm_mib_list[i].name; i++)
buff[i] += snmp_get_cpu_field(
net->mib.xfrm_statistics,
c, xfrm_mib_list[i].entry);
- for (i = 0; xfrm_mib_list[i].name != NULL; i++)
+ for (i = 0; xfrm_mib_list[i].name; i++)
seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
buff[i]);
--
1.8.3.1
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