Commit 6d4a741c authored by Jia He's avatar Jia He Committed by David S. Miller

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: default avatarJia He <hejianet@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent aca05671
...@@ -358,22 +358,22 @@ static void icmp_put(struct seq_file *seq) ...@@ -358,22 +358,22 @@ static void icmp_put(struct seq_file *seq)
atomic_long_t *ptr = net->mib.icmpmsg_statistics->mibs; atomic_long_t *ptr = net->mib.icmpmsg_statistics->mibs;
seq_puts(seq, "\nIcmp: InMsgs InErrors InCsumErrors"); 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_printf(seq, " In%s", icmpmibmap[i].name);
seq_puts(seq, " OutMsgs OutErrors"); 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, " Out%s", icmpmibmap[i].name);
seq_printf(seq, "\nIcmp: %lu %lu %lu", 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_INMSGS),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_INERRORS), snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_INERRORS),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_CSUMERRORS)); 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", seq_printf(seq, " %lu",
atomic_long_read(ptr + icmpmibmap[i].index)); atomic_long_read(ptr + icmpmibmap[i].index));
seq_printf(seq, " %lu %lu", seq_printf(seq, " %lu %lu",
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTMSGS), snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTMSGS),
snmp_fold_field(net->mib.icmp_statistics, ICMP_MIB_OUTERRORS)); 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", seq_printf(seq, " %lu",
atomic_long_read(ptr + (icmpmibmap[i].index | 0x100))); atomic_long_read(ptr + (icmpmibmap[i].index | 0x100)));
} }
...@@ -390,7 +390,7 @@ static int snmp_seq_show_ipstats(struct seq_file *seq, void *v) ...@@ -390,7 +390,7 @@ static int snmp_seq_show_ipstats(struct seq_file *seq, void *v)
memset(buff64, 0, IPSTATS_MIB_MAX * sizeof(u64)); memset(buff64, 0, IPSTATS_MIB_MAX * sizeof(u64));
seq_puts(seq, "Ip: Forwarding DefaultTTL"); 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, " %s", snmp4_ipstats_list[i].name);
seq_printf(seq, "\nIp: %d %d", seq_printf(seq, "\nIp: %d %d",
...@@ -401,7 +401,7 @@ static int snmp_seq_show_ipstats(struct seq_file *seq, void *v) ...@@ -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, snmp_get_cpu_field64_batch(buff64, snmp4_ipstats_list,
net->mib.ip_statistics, net->mib.ip_statistics,
offsetof(struct ipstats_mib, syncp)); 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]); seq_printf(seq, " %llu", buff64[i]);
return 0; return 0;
...@@ -416,13 +416,13 @@ static int snmp_seq_show_tcp_udp(struct seq_file *seq, void *v) ...@@ -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)); memset(buff, 0, TCPUDP_MIB_MAX * sizeof(unsigned long));
seq_puts(seq, "\nTcp:"); 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_printf(seq, " %s", snmp4_tcp_list[i].name);
seq_puts(seq, "\nTcp:"); seq_puts(seq, "\nTcp:");
snmp_get_cpu_field_batch(buff, snmp4_tcp_list, snmp_get_cpu_field_batch(buff, snmp4_tcp_list,
net->mib.tcp_statistics); 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 */ /* MaxConn field is signed, RFC 2012 */
if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN) if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN)
seq_printf(seq, " %ld", buff[i]); seq_printf(seq, " %ld", buff[i]);
...@@ -435,10 +435,10 @@ static int snmp_seq_show_tcp_udp(struct seq_file *seq, void *v) ...@@ -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, snmp_get_cpu_field_batch(buff, snmp4_udp_list,
net->mib.udp_statistics); net->mib.udp_statistics);
seq_puts(seq, "\nUdp:"); 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_printf(seq, " %s", snmp4_udp_list[i].name);
seq_puts(seq, "\nUdp:"); 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]); seq_printf(seq, " %lu", buff[i]);
memset(buff, 0, TCPUDP_MIB_MAX * sizeof(unsigned long)); 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) ...@@ -447,10 +447,10 @@ static int snmp_seq_show_tcp_udp(struct seq_file *seq, void *v)
seq_puts(seq, "\nUdpLite:"); seq_puts(seq, "\nUdpLite:");
snmp_get_cpu_field_batch(buff, snmp4_udp_list, snmp_get_cpu_field_batch(buff, snmp4_udp_list,
net->mib.udplite_statistics); 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_printf(seq, " %s", snmp4_udp_list[i].name);
seq_puts(seq, "\nUdpLite:"); 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_printf(seq, " %lu", buff[i]);
seq_putc(seq, '\n'); seq_putc(seq, '\n');
...@@ -493,21 +493,21 @@ static int netstat_seq_show(struct seq_file *seq, void *v) ...@@ -493,21 +493,21 @@ static int netstat_seq_show(struct seq_file *seq, void *v)
struct net *net = seq->private; struct net *net = seq->private;
seq_puts(seq, "TcpExt:"); 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_printf(seq, " %s", snmp4_net_list[i].name);
seq_puts(seq, "\nTcpExt:"); 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", seq_printf(seq, " %lu",
snmp_fold_field(net->mib.net_statistics, snmp_fold_field(net->mib.net_statistics,
snmp4_net_list[i].entry)); snmp4_net_list[i].entry));
seq_puts(seq, "\nIpExt:"); 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_printf(seq, " %s", snmp4_ipextstats_list[i].name);
seq_puts(seq, "\nIpExt:"); 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", seq_printf(seq, " %llu",
snmp_fold_field64(net->mib.ip_statistics, snmp_fold_field64(net->mib.ip_statistics,
snmp4_ipextstats_list[i].entry, snmp4_ipextstats_list[i].entry,
......
...@@ -81,7 +81,7 @@ static int sctp_snmp_seq_show(struct seq_file *seq, void *v) ...@@ -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, snmp_get_cpu_field_batch(buff, sctp_snmp_list,
net->sctp.sctp_statistics); 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, seq_printf(seq, "%-32s\t%ld\n", sctp_snmp_list[i].name,
buff[i]); buff[i]);
......
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