In the Linux kernel, the following vulnerability has been resolved: block: fix resource leak in blk_register_queue() error path When registering a queue fails after blk_mq_sysfs_register() is successful but the function later encounters an error, we need to clean up the blk_mq_sysfs resources. Add the missing blk_mq_sysfs_unregister() call in the error path to properly clean up these resources and prevent a memory leak.
https://git.kernel.org/stable/c/55a7bb2708f7c7c5b366d4e40916113168a3824c
https://git.kernel.org/stable/c/549cbbd14bbec12469ceb279b79c763c8a24224e
https://git.kernel.org/stable/c/41e43134ddda35949974be40520460a12dda3502
https://git.kernel.org/stable/c/40f2eb9b531475dd01b683fdaf61ca3cfd03a51e