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@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index f51fc88..7143ca1 100644 (file)
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -358,22 +358,22 @@ 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)));
 }
@@ -390,7 +390,7 @@ 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",
@@ -401,7 +401,7 @@ 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;
@@ -416,13 +416,13 @@ 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]);
@@ -435,10 +435,10 @@ 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));
@@ -447,10 +447,10 @@ 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');
@@ -493,21 +493,21 @@ 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 (file)
--- 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]);