watchdog: mena21_wdt: Fix possible NULL pointer dereference
watchdog: mena21_wdt: Fix possible NULL pointer dereference

In a21_wdt_remove() we do a watchdog_unregister_device() on struct
a21_wdt_drv->wdt but never assign it.

Also move the dev_set_drvdata() call in front of the watchdog_register_device()
call, so it doesn't look like an error.

Signed-off-by: Johannes Thumshirn <76e27a2cf2160151c27b307564ef391a743f57c5@suse.de>
Reviewed-by: Guenter Roeck <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <5f65f6985de1ebf15dde04e0dc4668211868bafa@iguana.be>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs