[PATCH 4.14 123/124] nvme-loop: fix kernel oops in case of unhandled command

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Ming Lei commit 11d9ea6f2ca69237d35d6c55755beba3e006b106 upstream. When nvmet_req_init() fails, __nvmet_req_complete() is called to handle the target request via .queue_response(), so

[PATCH 4.14 123/124] nvme-loop: fix kernel oops in case of unhandled command

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Ming Lei commit 11d9ea6f2ca69237d35d6c55755beba3e006b106 upstream. When nvmet_req_init() fails, __nvmet_req_complete() is called to handle the target request via .queue_response(), so