w1: fix WARNING after calling w1_process()
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 v5.15.91 by commit 89c62cee5d4d65ac75d99b5f986f7f94290e888f, it was introduced in version v2.6.28 by commit 3c52e4e627896b42152cc6ff98216c302932227e. For more details please see the references link.