* [axboe-block:for-6.16/block 49/106] block/blk-mq-sched.c:444 blk_mq_sched_reg_debugfs() warn: iterator 'i' not incremented
@ 2025-05-09 5:08 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-05-09 5:08 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Dan Carpenter
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Ming Lei <ming.lei@redhat.com>
CC: Jens Axboe <axboe@kernel.dk>
CC: Yu Kuai <yukuai3@huawei.com>
CC: Nilay Shroff <nilay@linux.ibm.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Hannes Reinecke <hare@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-6.16/block
head: 824afb9b04648ea11531fc9047923ec07e7a943d
commit: ed3896acdcf038888a80a02dd264099e35f76b47 [49/106] block: add two helpers for registering/un-registering sched debugfs
:::::: branch date: 14 hours ago
:::::: commit date: 3 days ago
config: i386-randconfig-141-20250508 (https://download.01.org/0day-ci/archive/20250509/202505091356.PvNPIRRx-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202505091356.PvNPIRRx-lkp@intel.com/
New smatch warnings:
block/blk-mq-sched.c:444 blk_mq_sched_reg_debugfs() warn: iterator 'i' not incremented
block/blk-mq-sched.c:455 blk_mq_sched_unreg_debugfs() warn: iterator 'i' not incremented
Old smatch warnings:
block/blk-mq-sched.c:406 blk_mq_sched_tags_teardown() warn: iterator 'i' not incremented
block/blk-mq-sched.c:494 blk_mq_init_sched() warn: iterator 'i' not incremented
block/blk-mq-sched.c:533 blk_mq_sched_free_rqs() warn: iterator 'i' not incremented
block/blk-mq-sched.c:550 blk_mq_exit_sched() warn: iterator 'i' not incremented
vim +/i +444 block/blk-mq-sched.c
d97e594c51660b John Garry 2021-05-13 436
ed3896acdcf038 Ming Lei 2025-05-05 437 static void blk_mq_sched_reg_debugfs(struct request_queue *q)
ed3896acdcf038 Ming Lei 2025-05-05 438 {
ed3896acdcf038 Ming Lei 2025-05-05 439 struct blk_mq_hw_ctx *hctx;
ed3896acdcf038 Ming Lei 2025-05-05 440 unsigned long i;
ed3896acdcf038 Ming Lei 2025-05-05 441
ed3896acdcf038 Ming Lei 2025-05-05 442 mutex_lock(&q->debugfs_mutex);
ed3896acdcf038 Ming Lei 2025-05-05 443 blk_mq_debugfs_register_sched(q);
ed3896acdcf038 Ming Lei 2025-05-05 @444 queue_for_each_hw_ctx(q, hctx, i)
ed3896acdcf038 Ming Lei 2025-05-05 445 blk_mq_debugfs_register_sched_hctx(q, hctx);
ed3896acdcf038 Ming Lei 2025-05-05 446 mutex_unlock(&q->debugfs_mutex);
ed3896acdcf038 Ming Lei 2025-05-05 447 }
ed3896acdcf038 Ming Lei 2025-05-05 448
ed3896acdcf038 Ming Lei 2025-05-05 449 static void blk_mq_sched_unreg_debugfs(struct request_queue *q)
ed3896acdcf038 Ming Lei 2025-05-05 450 {
ed3896acdcf038 Ming Lei 2025-05-05 451 struct blk_mq_hw_ctx *hctx;
ed3896acdcf038 Ming Lei 2025-05-05 452 unsigned long i;
ed3896acdcf038 Ming Lei 2025-05-05 453
ed3896acdcf038 Ming Lei 2025-05-05 454 mutex_lock(&q->debugfs_mutex);
ed3896acdcf038 Ming Lei 2025-05-05 @455 queue_for_each_hw_ctx(q, hctx, i)
ed3896acdcf038 Ming Lei 2025-05-05 456 blk_mq_debugfs_unregister_sched_hctx(hctx);
ed3896acdcf038 Ming Lei 2025-05-05 457 blk_mq_debugfs_unregister_sched(q);
ed3896acdcf038 Ming Lei 2025-05-05 458 mutex_unlock(&q->debugfs_mutex);
ed3896acdcf038 Ming Lei 2025-05-05 459 }
ed3896acdcf038 Ming Lei 2025-05-05 460
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2025-05-09 5:08 [axboe-block:for-6.16/block 49/106] block/blk-mq-sched.c:444 blk_mq_sched_reg_debugfs() warn: iterator 'i' not incremented kernel test robot
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