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

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

drivers/pnp/pnpbios/core.c

+7 −9
Original line number Diff line number Diff line
@@ -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;

		}



		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;