xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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 <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
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/char/ipmi/ipmi_watchdog.c
View File

@@ -659,7 +659,7 @@ static struct watchdog_info ident = {
.identity = "IPMI"
};
static int ipmi_ioctl(struct inode *inode, struct file *file,
static int ipmi_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
@@ -730,6 +730,19 @@ static int ipmi_ioctl(struct inode *inode, struct file *file,
}
}
static long ipmi_unlocked_ioctl(struct file *file,
unsigned int cmd,
unsigned long arg)
{
int ret;
lock_kernel();
ret = ipmi_ioctl(file, cmd, arg);
unlock_kernel();
return ret;
}
static ssize_t ipmi_write(struct file *file,
const char __user *buf,
size_t len,
@@ -880,7 +893,7 @@ static const struct file_operations ipmi_wdog_fops = {
.read = ipmi_read,
.poll = ipmi_poll,
.write = ipmi_write,
.ioctl = ipmi_ioctl,
.unlocked_ioctl = ipmi_unlocked_ioctl,
.open = ipmi_open,
.release = ipmi_close,
.fasync = ipmi_fasync,