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To avoid possible deadlock do not acquire JQUEUE_LOCK before callout_drain.

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Obtained from:	Yandex LLC
MFC after:	1 week
Sponsored by:	Yandex LLC
This commit is contained in:
Andrey V. Elsukov 2018-04-13 10:03:30 +00:00
parent 64966663a8
commit 5f69d0a4ff
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=332467
1 changed files with 0 additions and 3 deletions
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3
sys/netpfil/ipfw/nat64/nat64lsn.c
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@ -1755,10 +1755,7 @@ nat64lsn_destroy_instance(struct nat64lsn_cfg *cfg)
{
struct nat64lsn_host *nh, *tmp;
JQUEUE_LOCK();
callout_drain(&cfg->jcallout);
JQUEUE_UNLOCK();
callout_drain(&cfg->periodic);
I6HASH_FOREACH_SAFE(cfg, nh, tmp, nat64lsn_destroy_host, cfg);
DPRINTF(DP_OBJ, "instance %s: hosts %d", cfg->name, cfg->ihcount);