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sctp: snmp: do not use SNMP_MIB_SENTINEL anymore

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Use ARRAY_SIZE(), so that we know the limit at compile time.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Xin Long <lucien.xin@gmail.com>
Link: https://patch.msgid.link/20250905165813.1470708-7-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2025-09-05 16:58:10 +00:00 committed by Jakub Kicinski
parent 35cb2da0ab
commit 52a33cae6a
1 changed files with 6 additions and 6 deletions
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12
net/sctp/proc.c
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@ -52,21 +52,21 @@ static const struct snmp_mib sctp_snmp_list[] = {
SNMP_MIB_ITEM("SctpInPktBacklog", SCTP_MIB_IN_PKT_BACKLOG), SNMP_MIB_ITEM("SctpInPktBacklog", SCTP_MIB_IN_PKT_BACKLOG),
SNMP_MIB_ITEM("SctpInPktDiscards", SCTP_MIB_IN_PKT_DISCARDS), SNMP_MIB_ITEM("SctpInPktDiscards", SCTP_MIB_IN_PKT_DISCARDS),
SNMP_MIB_ITEM("SctpInDataChunkDiscards", SCTP_MIB_IN_DATA_CHUNK_DISCARDS), SNMP_MIB_ITEM("SctpInDataChunkDiscards", SCTP_MIB_IN_DATA_CHUNK_DISCARDS),
SNMP_MIB_SENTINEL
}; };
/* Display sctp snmp mib statistics(/proc/net/sctp/snmp). */ /* Display sctp snmp mib statistics(/proc/net/sctp/snmp). */
static int sctp_snmp_seq_show(struct seq_file *seq, void *v) static int sctp_snmp_seq_show(struct seq_file *seq, void *v)
{ {
unsigned long buff[SCTP_MIB_MAX]; unsigned long buff[ARRAY_SIZE(sctp_snmp_list)];
const int cnt = ARRAY_SIZE(sctp_snmp_list);
struct net *net = seq->private; struct net *net = seq->private;
int i; int i;
memset(buff, 0, sizeof(unsigned long) * SCTP_MIB_MAX); memset(buff, 0, sizeof(buff));
snmp_get_cpu_field_batch(buff, sctp_snmp_list, snmp_get_cpu_field_batch_cnt(buff, sctp_snmp_list, cnt,
net->sctp.sctp_statistics); net->sctp.sctp_statistics);
for (i = 0; sctp_snmp_list[i].name; i++) for (i = 0; i < cnt; 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]);