This is to suppress the checkpatch.pl warning "Comparison to NULL
could be written". No functional changes here. 

Signed-off-by: Jia He <hejia...@gmail.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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