drivers: Push down BKL into various drivers

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 <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Arnd Bergmann
2010-04-27 00:24:05 +02:00
committed by Frederic Weisbecker
parent 703c631ebb
commit 55929332c9
23 changed files with 280 additions and 115 deletions

View File

@@ -43,6 +43,7 @@
#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/rtc.h>
#include <linux/smp_lock.h>
#include <linux/semaphore.h>
MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
@@ -64,8 +65,8 @@ static DECLARE_WAIT_QUEUE_HEAD(hp_sdc_rtc_wait);
static ssize_t hp_sdc_rtc_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos);
static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg);
static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
unsigned int cmd, unsigned long arg);
static unsigned int hp_sdc_rtc_poll(struct file *file, poll_table *wait);
@@ -512,7 +513,7 @@ static int hp_sdc_rtc_read_proc(char *page, char **start, off_t off,
return len;
}
static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
static int hp_sdc_rtc_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
#if 1
@@ -659,14 +660,27 @@ static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
#endif
}
static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
int ret;
lock_kernel();
ret = hp_sdc_rtc_ioctl(file, cmd, arg);
unlock_kernel();
return ret;
}
static const struct file_operations hp_sdc_rtc_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = hp_sdc_rtc_read,
.poll = hp_sdc_rtc_poll,
.ioctl = hp_sdc_rtc_ioctl,
.open = hp_sdc_rtc_open,
.fasync = hp_sdc_rtc_fasync,
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = hp_sdc_rtc_read,
.poll = hp_sdc_rtc_poll,
.unlocked_ioctl = hp_sdc_rtc_ioctl,
.open = hp_sdc_rtc_open,
.fasync = hp_sdc_rtc_fasync,
};
static struct miscdevice hp_sdc_rtc_dev = {