xfrm: snmp: do not use SNMP_MIB_SENTINEL anymore

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

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://patch.msgid.link/20250905165813.1470708-9-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2025-09-05 16:58:12 +00:00
committed by Jakub Kicinski
parent 3a951f9520
commit c73d583e70

View File

@@ -45,21 +45,21 @@ static const struct snmp_mib xfrm_mib_list[] = {
SNMP_MIB_ITEM("XfrmInStateDirError", LINUX_MIB_XFRMINSTATEDIRERROR),
SNMP_MIB_ITEM("XfrmInIptfsError", LINUX_MIB_XFRMINIPTFSERROR),
SNMP_MIB_ITEM("XfrmOutNoQueueSpace", LINUX_MIB_XFRMOUTNOQSPACE),
SNMP_MIB_SENTINEL
};
static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
{
unsigned long buff[LINUX_MIB_XFRMMAX];
unsigned long buff[ARRAY_SIZE(xfrm_mib_list)];
const int cnt = ARRAY_SIZE(xfrm_mib_list);
struct net *net = seq->private;
int i;
memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX);
memset(buff, 0, sizeof(buff));
xfrm_state_update_stats(net);
snmp_get_cpu_field_batch(buff, xfrm_mib_list,
net->mib.xfrm_statistics);
for (i = 0; xfrm_mib_list[i].name; i++)
snmp_get_cpu_field_batch_cnt(buff, xfrm_mib_list, cnt,
net->mib.xfrm_statistics);
for (i = 0; i < cnt; i++)
seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
buff[i]);