net/smc: guarantee removal of link groups in reboot

#include <linux/random.h>

#include <linux/workqueue.h>

#include <linux/wait.h>

#include <linux/reboot.h>

#include <net/tcp.h>

#include <net/sock.h>

#include <rdma/ib_verbs.h>

	spin_unlock(&smcd_dev_list.lock);

}

static int smc_core_reboot_event(struct notifier_block *this,

				 unsigned long event, void *ptr)

{

	smc_lgrs_shutdown();

	return 0;

}

static struct notifier_block smc_reboot_notifier = {

	.notifier_call = smc_core_reboot_event,

};

int __init smc_core_init(void)

{

	atomic_set(&lgr_cnt, 0);

	return 0;

	return register_reboot_notifier(&smc_reboot_notifier);

}

/* Called (from smc_exit) when module is removed */

void smc_core_exit(void)

{

	unregister_reboot_notifier(&smc_reboot_notifier);

	smc_lgrs_shutdown();

}