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Commit 742a2fe3 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Jonathan Corbet
Browse files

genrtc: BKL pushdown 



Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 78abb6ac

drivers/char/genrtc.c

+6 −1
Original line number Original line Diff line number Diff line
@@ -51,6 +51,7 @@ 
#include <linux/init.h>

#include <linux/init.h>

#include <linux/poll.h>

#include <linux/poll.h>

#include <linux/proc_fs.h>

#include <linux/proc_fs.h>

#include <linux/smp_lock.h>

#include <linux/workqueue.h>

#include <linux/workqueue.h>





#include <asm/uaccess.h>

#include <asm/uaccess.h>
@@ -338,12 +339,16 @@ static int gen_rtc_ioctl(struct inode *inode, struct file *file, 




static int gen_rtc_open(struct inode *inode, struct file *file)

static int gen_rtc_open(struct inode *inode, struct file *file)

{

{

	if (gen_rtc_status & RTC_IS_OPEN)

	lock_kernel();

	if (gen_rtc_status & RTC_IS_OPEN) {

		unlock_kernel();

		return -EBUSY;

		return -EBUSY;

	}





	gen_rtc_status |= RTC_IS_OPEN;

	gen_rtc_status |= RTC_IS_OPEN;

	gen_rtc_irq_data = 0;

	gen_rtc_irq_data = 0;

	irq_active = 0;

	irq_active = 0;

	unlock_kernel();





	return 0;

	return 0;

}

}