1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/watchdog/wdt285.c b/drivers/watchdog/wdt285.c
index db362c34958b..191ea6302107 100644
--- a/drivers/watchdog/wdt285.c
+++ b/drivers/watchdog/wdt285.c
@@ -115,8 +115,8 @@ static int watchdog_release(struct inode *inode, struct file *file)
         return 0;
 }
 
-static ssize_t watchdog_write(struct file *file, const char *data,
-                                                size_t len, loff_t *ppos)
+static ssize_t watchdog_write(struct file *file, const char __user *data,
+                              size_t len, loff_t *ppos)
 {
         /*
          *      Refresh the timer.
@@ -133,21 +133,22 @@ static const struct watchdog_info ident = {
 };
 
 static long watchdog_ioctl(struct file *file, unsigned int cmd,
-                                                        unsigned long arg)
+                           unsigned long arg)
 {
         unsigned int new_margin;
+        int __user *int_arg = (int __user *)arg;
         int ret = -ENOTTY;
 
         switch (cmd) {
         case WDIOC_GETSUPPORT:
                 ret = 0;
-                if (copy_to_user((void *)arg, &ident, sizeof(ident)))
+                if (copy_to_user((void __user *)arg, &ident, sizeof(ident)))
                         ret = -EFAULT;
                 break;
 
         case WDIOC_GETSTATUS:
         case WDIOC_GETBOOTSTATUS:
-                ret = put_user(0, (int *)arg);
+                ret = put_user(0, int_arg);
                 break;
 
         case WDIOC_KEEPALIVE:
@@ -156,7 +157,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
                 break;
 
         case WDIOC_SETTIMEOUT:
-                ret = get_user(new_margin, (int *)arg);
+                ret = get_user(new_margin, int_arg);
                 if (ret)
                         break;
 
@@ -171,7 +172,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
                 watchdog_ping();
                 /* Fall */
         case WDIOC_GETTIMEOUT:
-                ret = put_user(soft_margin, (int *)arg);
+                ret = put_user(soft_margin, int_arg);
                 break;
         }
         return ret;