Warnings before patch:
files: ['block/blk-mq.c']
Warning: block/blk-mq.c:3261 No description found for return value of 'blk_insert_cloned_request'
Warning: block/blk-mq.c:3359 No description found for return value of 'blk_rq_prep_clone'
Warning: block/blk-mq.c:3261 No description found for return value of 'blk_insert_cloned_request'
Warning: block/blk-mq.c:3359 No description found for return value of 'blk_rq_prep_clone'

Current warnings:
files: ['block/blk-mq.c']
Warning: block/blk-mq.c:3261 No description found for return value of 'blk_insert_cloned_request'
Warning: block/blk-mq.c:3359 No description found for return value of 'blk_rq_prep_clone'
Warning: block/blk-mq.c:3261 No description found for return value of 'blk_insert_cloned_request'
Warning: block/blk-mq.c:3359 No description found for return value of 'blk_rq_prep_clone'

Warnings before: 4 after: 4