diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 136671a50d6e..acd4b8e013d2 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -1324,7 +1324,7 @@ static ssize_t lcd_write(struct file *file,
 			   that need some CPU */
 			schedule();
 
-		if (get_user(c, buf))
+		if (get_user(c, tmp))
 			return -EFAULT;
 
 		lcd_write_char(c);