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