void ssh_interceptor_iface_uninit(SshInterceptor interceptor)
{
/* Clear interface table and release net_device references. */
ssh_interceptor_clear_ifaces(interceptor);
if (interceptor->nf->iface_notifiers_installed == FALSE)
return;
SSH_ASSERT(in_softirq());
local_bh_enable();
SSH_ASSERT(!in_softirq());
/* Unregister notifier callback */
unregister_netdevice_notifier(&interceptor->nf->notifier_netdev);
unregister_inetaddr_notifier(&interceptor->nf->notifier_inetaddr);
#ifdef SSH_LINUX_INTERCEPTOR_IPV6
unregister_inet6addr_notifier(&interceptor->nf->notifier_inet6addr);
#endif /* SSH_LINUX_INTERCEPTOR_IPV6 */
local_bh_disable();
/* Due to lack of proper locking in linux kernel notifier code,
the unregister_*_notifier functions might leave the notifier
blocks out of sync, resulting in that the kernel may call an
unregistered notifier function.
Sleep for a while to decrease the possibility of the bug causing
trouble (crash during module unloading). */
mdelay(500);
interceptor->nf->iface_notifiers_installed = FALSE;
}
void brcmf_detach(struct device *dev)
{
s32 i;
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_pub *drvr = bus_if->drvr;
brcmf_dbg(TRACE, "Enter\n");
if (drvr == NULL)
return;
#ifdef CONFIG_INET
unregister_inetaddr_notifier(&drvr->inetaddr_notifier);
#endif
#if IS_ENABLED(CONFIG_IPV6)
unregister_inet6addr_notifier(&drvr->inet6addr_notifier);
#endif
/* stop firmware event handling */
brcmf_fweh_detach(drvr);
if (drvr->config)
brcmf_p2p_detach(&drvr->config->p2p);
brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN);
/* make sure primary interface removed last */
for (i = BRCMF_MAX_IFS-1; i > -1; i--)
brcmf_remove_interface(drvr->iflist[i], false);
brcmf_cfg80211_detach(drvr->config);
brcmf_fws_deinit(drvr);
brcmf_bus_detach(drvr);
brcmf_proto_detach(drvr);
brcmf_debug_detach(drvr);
bus_if->drvr = NULL;
kfree(drvr);
}
