batman-adv: tt: don't uncount never committed clients on pending purge

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batadv_tt_local_purge_pending_clients() decreases vlan->tt.num_entries for
every entry it unlinks, but an entry which still carries
BATADV_TT_CLIENT_NEW was never counted by batadv_tt_local_transition_new().

batadv_tt_local_resize_to_mtu() calls batadv_tt_local_purge() and
batadv_tt_local_purge_pending_clients() directly, without committing in
between, and it halves its timeout down towards zero. Once the timeout is
short enough, batadv_tt_local_purge_list() marks even freshly added clients
as pending. And each of them decreases a counter it never increased.

Signed-off-by: Sven Eckelmann <sven@narfation.org>

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Sven Eckelmann 2026-08-30 17:21:44 +02:00

parent f59c4c59df

commit 01ae63ecd1

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net/batman-adv/translation-table.c

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