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Date: Fri, 9 Sep 2016 14:34:02 +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>,
marcelo.leitner@...il.com, Jia He <hejianet@...il.com>
Subject: [RFC PATCH v3 7/7] net: Suppress the "Comparison to NULL could be written" warning
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 | 32 ++++++++++++++++----------------
net/sctp/proc.c | 2 +-
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index c6fc80e..c6ee8a2 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -357,22 +357,22 @@ 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_ipstats(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",
@@ -400,7 +400,7 @@ static int snmp_seq_show_ipstats(struct seq_file *seq, void *v)
snmp_get_cpu_field64_batch(buff64, snmp4_ipstats_list,
net->mib.ip_statistics,
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]);
return 0;
@@ -415,13 +415,13 @@ static int snmp_seq_show_tcp_udp(struct seq_file *seq, void *v)
memset(buff, 0, TCPUDP_MIB_MAX * sizeof(unsigned long));
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:");
snmp_get_cpu_field_batch(buff, snmp4_tcp_list,
net->mib.tcp_statistics);
- 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]);
@@ -434,10 +434,10 @@ static int snmp_seq_show_tcp_udp(struct seq_file *seq, void *v)
snmp_get_cpu_field_batch(buff, snmp4_udp_list,
net->mib.udp_statistics);
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]);
memset(buff, 0, TCPUDP_MIB_MAX * sizeof(unsigned long));
@@ -446,10 +446,10 @@ static int snmp_seq_show_tcp_udp(struct seq_file *seq, void *v)
seq_puts(seq, "\nUdpLite:");
snmp_get_cpu_field_batch(buff, snmp4_udp_list,
net->mib.udplite_statistics);
- 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');
@@ -493,13 +493,13 @@ static int netstat_seq_show_tcpext(struct seq_file *seq, void *v)
memset(buff, 0, sizeof(unsigned long) * LINUX_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:");
snmp_get_cpu_field_batch(buff, snmp4_net_list,
net->mib.net_statistics);
- 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]);
return 0;
@@ -512,14 +512,14 @@ static int netstat_seq_show_ipext(struct seq_file *seq, void *v)
struct net *net = seq->private;
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:");
snmp_get_cpu_field64_batch(buff64, snmp4_ipextstats_list,
net->mib.ip_statistics,
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 0487c01..f596407 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -81,7 +81,7 @@ static int sctp_snmp_seq_show(struct seq_file *seq, void *v)
snmp_get_cpu_field_batch(buff, sctp_snmp_list,
net->sctp.sctp_statistics);
- 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]);
--
1.8.3.1
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