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Date:   Fri, 30 Sep 2016 11:29:04 +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: [PATCH v6 7/7] net: Suppress the "Comparison to NULL could be written" warnings

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 9d7a39a..b39faf6 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');
@@ -492,21 +492,21 @@ static int netstat_seq_show(struct seq_file *seq, void *v)
 	struct net *net = seq->private;
 
 	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 (i = 0; snmp4_net_list[i].name != NULL; i++)
+	for (i = 0; snmp4_net_list[i].name; i++)
 		seq_printf(seq, " %lu",
 			   snmp_fold_field(net->mib.net_statistics,
 					   snmp4_net_list[i].entry));
 
 	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 (i = 0; snmp4_ipextstats_list[i].name != NULL; i++)
+	for (i = 0; snmp4_ipextstats_list[i].name; i++)
 		seq_printf(seq, " %llu",
 			   snmp_fold_field64(net->mib.ip_statistics,
 					     snmp4_ipextstats_list[i].entry,
diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 09e16c2..206377f 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]);
 
-- 
2.5.5

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