watchdog: dw_wdt: Add __user annotation

Added __user annotation to fix the following sparse warnings.

drivers/watchdog/dw_wdt.c:206:38: warning: incorrect type in argument 1 (different address spaces)
drivers/watchdog/dw_wdt.c:206:38:    expected void [noderef] <asn:1>*to
drivers/watchdog/dw_wdt.c:206:38:    got struct watchdog_info *<noident>
drivers/watchdog/dw_wdt.c:211:24: warning: incorrect type in initializer (different address spaces)
drivers/watchdog/dw_wdt.c:211:24:    expected int const [noderef] <asn:1>*register __p
drivers/watchdog/dw_wdt.c:211:24:    got int *<noident>

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c
index b922bec45d15..aed1cbe81882 100644
--- a/drivers/watchdog/dw_wdt.c
+++ b/drivers/watchdog/dw_wdt.c
@@ -203,12 +203,12 @@ static long dw_wdt_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
         switch (cmd) {
         case WDIOC_GETSUPPORT:
-                return copy_to_user((struct watchdog_info *)arg, &dw_wdt_ident,
+                return copy_to_user((void __user *)arg, &dw_wdt_ident,
                                     sizeof(dw_wdt_ident)) ? -EFAULT : 0;
 
         case WDIOC_GETSTATUS:
         case WDIOC_GETBOOTSTATUS:
-                return put_user(0, (int *)arg);
+                return put_user(0, (int __user *)arg);
 
         case WDIOC_KEEPALIVE:
                 dw_wdt_set_next_heartbeat();