watchdog: Drop pointer to watchdog device from struct watchdog_device

The lifetime of the watchdog device pointer is different from the lifetime
of its character device. Remove it entirely to avoid race conditions.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index 076df50ea0da..b585fa2507ee 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -53,7 +53,6 @@ struct watchdog_ops {
 /** struct watchdog_device - The structure that defines a watchdog device
  *
  * @id:         The watchdog's ID. (Allocated by watchdog_register_device)
- * @dev:        The device for our watchdog
  * @parent:     The parent bus device
  * @groups:     List of sysfs attribute groups to create when creating the
  *              watchdog device.
@@ -82,7 +81,6 @@ struct watchdog_ops {
  */
 struct watchdog_device {
         int id;
-        struct device *dev;
         struct device *parent;
         const struct attribute_group **groups;
         const struct watchdog_info *info;