diff options
Diffstat (limited to 'drivers/hwmon/fschmd.c')
| -rw-r--r-- | drivers/hwmon/fschmd.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index 0627f7a5b9b8..b7ca2a9676cf 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -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, }; |