diff options
Diffstat (limited to 'drivers/watchdog/cpwd.c')
| -rw-r--r-- | drivers/watchdog/cpwd.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c index b973b31179df..808eeb4779e4 100644 --- a/drivers/watchdog/cpwd.c +++ b/drivers/watchdog/cpwd.c @@ -26,6 +26,7 @@ #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/timer.h> +#include <linux/compat.h> #include <linux/slab.h> #include <linux/mutex.h> #include <linux/io.h> @@ -473,27 +474,9 @@ static long cpwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return 0; } -static long cpwd_compat_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) +static long cpwd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - int rval = -ENOIOCTLCMD; - - switch (cmd) { - /* solaris ioctls are specific to this driver */ - case WIOCSTART: - case WIOCSTOP: - case WIOCGSTAT: - mutex_lock(&cpwd_mutex); - rval = cpwd_ioctl(file, cmd, arg); - mutex_unlock(&cpwd_mutex); - break; - - /* everything else is handled by the generic compat layer */ - default: - break; - } - - return rval; + return cpwd_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); } static ssize_t cpwd_write(struct file *file, const char __user *buf, |
