blk-mq: fix possible memleak when register 'hctx' failed
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 v6.0.16 by commit 4b7fafa5f39b15c3a6ca3b95e534d05d6904cc95. For more details please see the references link.