regulator: core: fix unbalanced of node refcount in regulatordevlookup()
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 v4.9.337 by commit 0e88505ac0a6ae97746bcdbd4b042ee9f20455ae, it was introduced in version v3.3 by commit 69511a452e6dc6b74fe4f3671a51b1b44b9c57e3. For more details please see the references link.