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Merge pull request #18639 from FRRouting/mergify/bp/stable/9.1/pr-15716

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isisd: Fix memory leaks when the transition of neighbor state from non-UP to DOWN (backport #15716)
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Donald Sharp 2025-04-11 08:39:59 -04:00 committed by GitHub
parent 84e46f6087 101b13b7b5
commit 94203c4774
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GPG key ID: B5690EEEBB952194
1 changed files with 15 additions and 9 deletions
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14
isisd/isis_adjacency.c
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@ -358,12 +358,15 @@ void isis_adj_state_change(struct isis_adjacency **padj,
* purposes */
adj->last_flap = time(NULL);
adj->flaps++;
} else if (old_state == ISIS_ADJ_UP) {
} else {
if (old_state == ISIS_ADJ_UP) {
circuit->adj_state_changes++;
circuit->upadjcount[level - 1]--;
if (circuit->upadjcount[level - 1] == 0)
isis_tx_queue_clean(circuit->tx_queue);
isis_tx_queue_clean(
circuit->tx_queue);
}
if (new_state == ISIS_ADJ_DOWN) {
listnode_delete(
@ -409,10 +412,13 @@ void isis_adj_state_change(struct isis_adjacency **padj,
master, send_l2_csnp, circuit,
0, &circuit->t_send_csnp[1]);
}
} else if (old_state == ISIS_ADJ_UP) {
} else {
if (old_state == ISIS_ADJ_UP) {
circuit->upadjcount[level - 1]--;
if (circuit->upadjcount[level - 1] == 0)
isis_tx_queue_clean(circuit->tx_queue);
isis_tx_queue_clean(
circuit->tx_queue);
}
if (new_state == ISIS_ADJ_DOWN) {
if (adj->circuit->u.p2p.neighbor == adj)