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lcd: BKL pushdown

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Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2008-05-20 19:16:10 +02:00 committed by Jonathan Corbet
parent 28fbbf4913
commit 600bf8140c
1 changed files with 3 additions and 0 deletions
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3
drivers/char/lcd.c
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@ -20,6 +20,7 @@
#include <linux/mc146818rtc.h>
#include <linux/netdevice.h>
#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <linux/delay.h>
#include <asm/io.h>
@ -414,6 +415,8 @@ static int lcd_ioctl(struct inode *inode, struct file *file,
static int lcd_open(struct inode *inode, struct file *file)
{
cycle_kernel_lock();
if (!lcd_present)
return -ENXIO;
else