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linux
linux-davinci
Commits
f8f2c79d
Commit
f8f2c79d
authored
May 20, 2008
by
Arnd Bergmann
Committed by
Jonathan Corbet
Jul 02, 2008
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sonypi: BKL pushdown
Signed-off-by:
Arnd Bergmann
<
arnd@arndb.de
>
parent
0410e689
Changes
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drivers/char/sonypi.c
drivers/char/sonypi.c
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drivers/char/sonypi.c
View file @
f8f2c79d
...
...
@@ -49,6 +49,7 @@
#include <linux/err.h>
#include <linux/kfifo.h>
#include <linux/platform_device.h>
#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/io.h>
...
...
@@ -906,12 +907,14 @@ static int sonypi_misc_release(struct inode *inode, struct file *file)
static
int
sonypi_misc_open
(
struct
inode
*
inode
,
struct
file
*
file
)
{
lock_kernel
();
mutex_lock
(
&
sonypi_device
.
lock
);
/* Flush input queue on first open */
if
(
!
sonypi_device
.
open_count
)
kfifo_reset
(
sonypi_device
.
fifo
);
sonypi_device
.
open_count
++
;
mutex_unlock
(
&
sonypi_device
.
lock
);
unlock_kernel
();
return
0
;
}
...
...
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