Warnings before patch:
files: ['block/blk-mq.c']
Warning: block/blk-mq.c:3250 No description found for return value of 'blk_insert_cloned_request'
Warning: block/blk-mq.c:3348 No description found for return value of 'blk_rq_prep_clone'

Current warnings:
files: ['block/blk-mq.c']
Warning: block/blk-mq.c:3250 No description found for return value of 'blk_insert_cloned_request'
Warning: block/blk-mq.c:3348 No description found for return value of 'blk_rq_prep_clone'

Warnings before: 2 after: 2