summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/i8k.c21
-rw-r--r--drivers/isdn/divert/divert_procfs.c18
2 files changed, 30 insertions, 9 deletions
diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c
index fc8cf7ac7f2b..4cd8b227c11f 100644
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -23,6 +23,7 @@
#include <linux/seq_file.h>
#include <linux/dmi.h>
#include <linux/capability.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -82,8 +83,7 @@ module_param(fan_mult, int, 0);
MODULE_PARM_DESC(fan_mult, "Factor to multiply fan speed with");
static int i8k_open_fs(struct inode *inode, struct file *file);
-static int i8k_ioctl(struct inode *, struct file *, unsigned int,
- unsigned long);
+static long i8k_ioctl(struct file *, unsigned int, unsigned long);
static const struct file_operations i8k_fops = {
.owner = THIS_MODULE,
@@ -91,7 +91,7 @@ static const struct file_operations i8k_fops = {
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
- .ioctl = i8k_ioctl,
+ .unlocked_ioctl = i8k_ioctl,
};
struct smm_regs {
@@ -307,8 +307,8 @@ static int i8k_get_dell_signature(int req_fn)
return regs.eax == 1145651527 && regs.edx == 1145392204 ? 0 : -1;
}
-static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
- unsigned long arg)
+static int
+i8k_ioctl_unlocked(struct file *fp, unsigned int cmd, unsigned long arg)
{
int val = 0;
int speed;
@@ -395,6 +395,17 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
return 0;
}
+static long i8k_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
+{
+ long ret;
+
+ lock_kernel();
+ ret = i8k_ioctl_unlocked(fp, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
/*
* Print the information for /proc/i8k.
*/
diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c
index 9f49d9065791..c53e2417e7d4 100644
--- a/drivers/isdn/divert/divert_procfs.c
+++ b/drivers/isdn/divert/divert_procfs.c
@@ -20,6 +20,7 @@
#include <linux/sched.h>
#include <linux/isdnif.h>
#include <net/net_namespace.h>
+#include <linux/smp_lock.h>
#include "isdn_divert.h"
@@ -177,9 +178,7 @@ isdn_divert_close(struct inode *ino, struct file *filep)
/*********/
/* IOCTL */
/*********/
-static int
-isdn_divert_ioctl(struct inode *inode, struct file *file,
- uint cmd, ulong arg)
+static int isdn_divert_ioctl_unlocked(struct file *file, uint cmd, ulong arg)
{
divert_ioctl dioctl;
int i;
@@ -258,6 +257,17 @@ isdn_divert_ioctl(struct inode *inode, struct file *file,
return copy_to_user((void __user *)arg, &dioctl, sizeof(dioctl)) ? -EFAULT : 0;
} /* isdn_divert_ioctl */
+static long isdn_divert_ioctl(struct file *file, uint cmd, ulong arg)
+{
+ long ret;
+
+ lock_kernel();
+ ret = isdn_divert_ioctl_unlocked(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
static const struct file_operations isdn_fops =
{
.owner = THIS_MODULE,
@@ -265,7 +275,7 @@ static const struct file_operations isdn_fops =
.read = isdn_divert_read,
.write = isdn_divert_write,
.poll = isdn_divert_poll,
- .ioctl = isdn_divert_ioctl,
+ .unlocked_ioctl = isdn_divert_ioctl,
.open = isdn_divert_open,
.release = isdn_divert_close,
};