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mptcp: 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: Mat Martineau <martineau@kernel.org>
Cc: Geliang Tang <geliang@kernel.org>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250905165813.1470708-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2025-09-05 16:58:09 +00:00 committed by Jakub Kicinski
parent b7b74953f8
commit 35cb2da0ab
1 changed files with 6 additions and 6 deletions
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12
net/mptcp/mib.c
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@ -85,7 +85,6 @@ static const struct snmp_mib mptcp_snmp_list[] = {
SNMP_MIB_ITEM("DssFallback", MPTCP_MIB_DSSFALLBACK),
SNMP_MIB_ITEM("SimultConnectFallback", MPTCP_MIB_SIMULTCONNFALLBACK),
SNMP_MIB_ITEM("FallbackFailed", MPTCP_MIB_FALLBACKFAILED),
SNMP_MIB_SENTINEL
};
/* mptcp_mib_alloc - allocate percpu mib counters
@ -108,22 +107,23 @@ bool mptcp_mib_alloc(struct net *net)
void mptcp_seq_show(struct seq_file *seq)
{
unsigned long sum[ARRAY_SIZE(mptcp_snmp_list) - 1];
unsigned long sum[ARRAY_SIZE(mptcp_snmp_list)];
const int cnt = ARRAY_SIZE(mptcp_snmp_list);
struct net *net = seq->private;
int i;
seq_puts(seq, "MPTcpExt:");
for (i = 0; mptcp_snmp_list[i].name; i++)
for (i = 0; i < cnt; i++)
seq_printf(seq, " %s", mptcp_snmp_list[i].name);
seq_puts(seq, "\nMPTcpExt:");
memset(sum, 0, sizeof(sum));
if (net->mib.mptcp_statistics)
snmp_get_cpu_field_batch(sum, mptcp_snmp_list,
net->mib.mptcp_statistics);
snmp_get_cpu_field_batch_cnt(sum, mptcp_snmp_list, cnt,
net->mib.mptcp_statistics);
for (i = 0; mptcp_snmp_list[i].name; i++)
for (i = 0; i < cnt; i++)
seq_printf(seq, " %lu", sum[i]);
seq_putc(seq, '\n');