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siftr: remove the shutdown_pre_sync event handler on unload

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PR:		280351
MFC after:	2 weeks

(cherry picked from commit fb05f761ac)
This commit is contained in:
Kristof Provost 2024-07-19 08:08:14 +02:00
parent 77064cddb9
commit 8448df88fd
1 changed files with 4 additions and 2 deletions
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6
sys/netinet/siftr.c
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@ -288,6 +288,7 @@ static struct mtx siftr_pkt_queue_mtx;
static struct mtx siftr_pkt_mgr_mtx;
static struct thread *siftr_pkt_manager_thr = NULL;
static char direction[2] = {'i','o'};
static eventhandler_tag siftr_shutdown_tag;
/* Required function prototypes. */
static int siftr_sysctl_enabled_handler(SYSCTL_HANDLER_ARGS);
@ -1507,6 +1508,7 @@ static int
deinit_siftr(void)
{
/* Cleanup. */
EVENTHANDLER_DEREGISTER(shutdown_pre_sync, siftr_shutdown_tag);
siftr_manage_ops(SIFTR_DISABLE);
hashdestroy(counter_hash, M_SIFTR, siftr_hashmask);
mtx_destroy(&siftr_pkt_queue_mtx);
@ -1521,8 +1523,8 @@ deinit_siftr(void)
static int
init_siftr(void)
{
EVENTHANDLER_REGISTER(shutdown_pre_sync, siftr_shutdown_handler, NULL,
SHUTDOWN_PRI_FIRST);
siftr_shutdown_tag = EVENTHANDLER_REGISTER(shutdown_pre_sync,
siftr_shutdown_handler, NULL, SHUTDOWN_PRI_FIRST);
/* Initialise our flow counter hash table. */
counter_hash = hashinit(SIFTR_EXPECTED_MAX_TCP_FLOWS, M_SIFTR,