watchdog: Fix possible use-after-free by calling deltimersync()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.4.276 by commit 58606882ad8ec6c39e0f40344b922921ef94ab4d. For more details please see the references link.