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drivers: Push down BKL into various drivers

Browse source 
These are the last remaining device drivers using
the ->ioctl file operation in the drivers directory
(except from v4l drivers).

[fweisbec: drop i8k pushdown as it has been done from
procfs pushdown branch already]

Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
This commit is contained in:
Arnd Bergmann 2010-04-27 00:24:05 +02:00 • committed by Frederic Weisbecker
commit 55929332c9
23 changed files with 280 additions and 115 deletions
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9
drivers/hwmon/fschmd.c
View file

@ -38,6 +38,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/smp_lock.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/sysfs.h>
@ -847,8 +848,7 @@ static ssize_t watchdog_write(struct file *filp, const char __user *buf,
return count;
}
static int watchdog_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
@ -858,6 +858,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
int i, ret = 0;
struct fschmd_data *data = filp->private_data;
lock_kernel();
switch (cmd) {
case WDIOC_GETSUPPORT:
ident.firmware_version = data->revision;
@ -914,7 +915,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
default:
ret = -ENOTTY;
}
unlock_kernel();
return ret;
}
@ -924,7 +925,7 @@ static const struct file_operations watchdog_fops = {
.open = watchdog_open,
.release = watchdog_release,
.write = watchdog_write,
.ioctl = watchdog_ioctl,
.unlocked_ioctl = watchdog_ioctl,
};

10
drivers/hwmon/w83793.c
View file

@ -35,6 +35,7 @@
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/smp_lock.h>
#include <linux/hwmon-vid.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
@ -1319,8 +1320,8 @@ static ssize_t watchdog_write(struct file *filp, const char __user *buf,
return count;
}
static int watchdog_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
static long watchdog_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING |
@ -1332,6 +1333,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
int val, ret = 0;
struct w83793_data *data = filp->private_data;
lock_kernel();
switch (cmd) {
case WDIOC_GETSUPPORT:
if (!nowayout)
@ -1385,7 +1387,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
default:
ret = -ENOTTY;
}
unlock_kernel();
return ret;
}
@ -1395,7 +1397,7 @@ static const struct file_operations watchdog_fops = {
.open = watchdog_open,
.release = watchdog_close,
.write = watchdog_write,
.ioctl = watchdog_ioctl,
.unlocked_ioctl = watchdog_ioctl,
};
/*