UVI-2021-1001670 s390/qeth: fix NULL deref in qeth_clear_working_pool_list()

s390/qeth: fix NULL deref in qethclearworkingpoollist 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 v5.10.70 by commit...