Commit db9c02fa authored by Eric W. Biederman's avatar Eric W. Biederman Committed by Linus Torvalds

pnpbios: convert to use the kthread API

This patches modifies the pnpbios kernel thread to start with ktrhead_run
not kernel_thread and deamonize.  Doing this makes the code a little
simpler and easier to maintain.
Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1bd0cf1f
......@@ -62,6 +62,7 @@
#include <linux/delay.h>
#include <linux/acpi.h>
#include <linux/freezer.h>
#include <linux/kthread.h>
#include <asm/page.h>
#include <asm/desc.h>
......@@ -159,9 +160,7 @@ static int pnp_dock_thread(void * unused)
{
static struct pnp_docking_station_info now;
int docked = -1, d = 0;
daemonize("kpnpbiosd");
allow_signal(SIGKILL);
while(!unloading && !signal_pending(current))
while (!unloading)
{
int status;
......@@ -170,11 +169,8 @@ static int pnp_dock_thread(void * unused)
*/
msleep_interruptible(2000);
if(signal_pending(current)) {
if (try_to_freeze())
continue;
break;
}
if (try_to_freeze())
continue;
status = pnp_bios_dock_station_info(&now);
......@@ -581,6 +577,7 @@ subsys_initcall(pnpbios_init);
static int __init pnpbios_thread_init(void)
{
struct task_struct *task;
#if defined(CONFIG_PPC_MERGE)
if (check_legacy_ioport(PNPBIOS_BASE))
return 0;
......@@ -589,7 +586,8 @@ static int __init pnpbios_thread_init(void)
return 0;
#ifdef CONFIG_HOTPLUG
init_completion(&unload_sem);
if (kernel_thread(pnp_dock_thread, NULL, CLONE_KERNEL) > 0)
task = kthread_run(pnp_dock_thread, NULL, "kpnpbiosd");
if (!IS_ERR(task))
unloading = 0;
#endif
return 0;
......
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