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ospfd: fix dangling pointer when exiting from the helper mode

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When exiting from the helper mode for a given router after an
unsuccessful graceful restart, removing the neighborship to that
router straight away leads to a dangling pointer in the associated
interface, which inevitably leads to a crash. To solve this
problem, schedule the removal of the neighbor instead of removing
it immediately.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
This commit is contained in:
Renato Westphal 2021-05-31 10:27:51 -03:00
parent f5f27b588a
commit 4b3c457702
1 changed files with 1 additions and 1 deletions
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2
ospfd/ospf_gr_helper.c
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@ -721,7 +721,7 @@ void ospf_gr_helper_exit(struct ospf_neighbor *nbr,
zlog_debug( zlog_debug(
"%s, Failed GR exit, so bringing down the neighbour", "%s, Failed GR exit, so bringing down the neighbour",
__func__); __func__);
OSPF_NSM_EVENT_EXECUTE(nbr, NSM_KillNbr); OSPF_NSM_EVENT_SCHEDULE(nbr, NSM_KillNbr);
} }
/*Recalculate the DR for the network segment */ /*Recalculate the DR for the network segment */