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nexedi
linux
Commits
b0e54f7c
Commit
b0e54f7c
authored
May 20, 2008
by
Arnd Bergmann
Committed by
Jonathan Corbet
Jun 20, 2008
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Plain Diff
ip27-rtc: BKL pushdown
Signed-off-by:
Arnd Bergmann
<
arnd@arndb.de
>
parent
6b0ee363
Changes
1
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drivers/char/ip27-rtc.c
drivers/char/ip27-rtc.c
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drivers/char/ip27-rtc.c
View file @
b0e54f7c
...
...
@@ -27,6 +27,7 @@
#include <linux/bcd.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/miscdevice.h>
#include <linux/ioport.h>
...
...
@@ -163,15 +164,18 @@ static long rtc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
static
int
rtc_open
(
struct
inode
*
inode
,
struct
file
*
file
)
{
lock_kernel
();
spin_lock_irq
(
&
rtc_lock
);
if
(
rtc_status
&
RTC_IS_OPEN
)
{
spin_unlock_irq
(
&
rtc_lock
);
unlock_kernel
();
return
-
EBUSY
;
}
rtc_status
|=
RTC_IS_OPEN
;
spin_unlock_irq
(
&
rtc_lock
);
unlock_kernel
();
return
0
;
}
...
...
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