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Commit e3e8e59d authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Jonathan Corbet
Browse files

mvme16x-rtc: BKL pushdown 



Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent f9c8154f

arch/m68k/mvme16x/rtc.c

+4 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
#include <linux/errno.h>

#include <linux/miscdevice.h>

#include <linux/slab.h>

#include <linux/smp_lock.h>

#include <linux/ioport.h>

#include <linux/capability.h>

#include <linux/fcntl.h>
@@ -127,11 +128,14 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, 


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

{

	lock_kernel();

	if( !atomic_dec_and_test(&rtc_ready) )

	{

		atomic_inc( &rtc_ready );

		unlock_kernel();

		return -EBUSY;

	}

	unlock_kernel();



	return 0;

}