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sn_hwperf: Kill BKL usage 

This driver always gave up the BKL in its ioctl function, so just
convert it to unlocked_ioctl and remove the BKL here.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
hifive-unleashed-5.1
Arnd Bergmann 2010-04-27 16:24:22 +02:00 committed by Frederic Weisbecker
parent 7cc4bcc6f1
commit 1114b68468
1 changed files with 2 additions and 7 deletions
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9
arch/ia64/sn/kernel/sn2/sn_hwperf.c
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@ -30,7 +30,6 @@
#include <linux/miscdevice.h>
#include <linux/utsname.h>
#include <linux/cpumask.h>
#include <linux/smp_lock.h>
#include <linux/nodemask.h>
#include <linux/smp.h>
#include <linux/mutex.h>
@ -682,8 +681,7 @@ static int sn_hwperf_map_err(int hwperf_err)
/*
* ioctl for "sn_hwperf" misc device
*/
static int
sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
static long sn_hwperf_ioctl(struct file *fp, u32 op, unsigned long arg)
{
struct sn_hwperf_ioctl_args a;
struct cpuinfo_ia64 *cdata;
@ -699,8 +697,6 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
int i;
int j;
unlock_kernel();
/* only user requests are allowed here */
if ((op & SN_HWPERF_OP_MASK) < 10) {
r = -EINVAL;
@ -859,12 +855,11 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
error:
vfree(p);
lock_kernel();
return r;
}
static const struct file_operations sn_hwperf_fops = {
.ioctl = sn_hwperf_ioctl,
.unlocked_ioctl = sn_hwperf_ioctl,
};
static struct miscdevice sn_hwperf_dev = {