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isisd: fix memleak when deleting area and instance

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Release memory for all redistributed route info.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
This commit is contained in:
Igor Ryzhov 2021-05-09 16:09:38 +03:00
parent 8c6482db8c
commit 46c9042fbc
1 changed files with 16 additions and 0 deletions
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16
isisd/isis_redist.c
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@ -391,12 +391,19 @@ static void isis_redist_update_zebra_subscriptions(struct isis *isis)
void isis_redist_free(struct isis *isis)
{
struct route_node *rn;
int i;
for (i = 0; i < REDIST_PROTOCOL_COUNT; i++) {
if (!isis->ext_info[i])
continue;
for (rn = route_top(isis->ext_info[i]); rn;
rn = srcdest_route_next(rn)) {
if (rn->info)
XFREE(MTYPE_ISIS_EXT_INFO, rn->info);
}
route_table_finish(isis->ext_info[i]);
isis->ext_info[i] = NULL;
}
@ -504,6 +511,7 @@ void isis_redist_unset(struct isis_area *area, int level, int family, int type)
void isis_redist_area_finish(struct isis_area *area)
{
struct route_node *rn;
int protocol;
int level;
int type;
@ -518,7 +526,15 @@ void isis_redist_area_finish(struct isis_area *area)
redist->redist = 0;
XFREE(MTYPE_ISIS_RMAP_NAME, redist->map_name);
}
if (!area->ext_reach[protocol][level])
continue;
for (rn = route_top(area->ext_reach[protocol][level]);
rn; rn = srcdest_route_next(rn)) {
if (rn->info)
XFREE(MTYPE_ISIS_EXT_INFO, rn->info);
}
route_table_finish(area->ext_reach[protocol][level]);
area->ext_reach[protocol][level] = NULL;
}
isis_redist_update_zebra_subscriptions(area->isis);