linux-kernel - Re: [PATCH v3 15/16] nvmet-fc: avoid deadlock on delete association path

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Message-ID: <202312191347.7X0VJgnV-lkp@intel.com>
Date: Tue, 19 Dec 2023 14:00:12 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Wagner <dwagner@...e.de>, linux-nvme@...ts.infradead.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>,
	Sagi Grimberg <sagi@...mberg.me>, Keith Busch <kbusch@...nel.org>,
	James Smart <james.smart@...adcom.com>,
	Hannes Reinecke <hare@...e.de>, Daniel Wagner <dwagner@...e.de>
Subject: Re: [PATCH v3 15/16] nvmet-fc: avoid deadlock on delete association
 path

Hi Daniel,

kernel test robot noticed the following build errors:

[auto build test ERROR on linux-nvme/nvme-6.8]
[also build test ERROR on linus/master v6.7-rc6 next-20231218]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Daniel-Wagner/nvmet-fc-remove-unnecessary-bracket/20231219-003117
base:   git://git.infradead.org/nvme.git nvme-6.8
patch link:    https://lore.kernel.org/r/20231218153105.12717-16-dwagner%40suse.de
patch subject: [PATCH v3 15/16] nvmet-fc: avoid deadlock on delete association path
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20231219/202312191347.7X0VJgnV-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231219/202312191347.7X0VJgnV-lkp@intel.com/reproduce)

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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312191347.7X0VJgnV-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/nvme/target/fc.c:253:2: error: call to undeclared function 'nvmet_fc_tgtport_put'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           nvmet_fc_tgtport_put(tgtport);
           ^
>> drivers/nvme/target/fc.c:259:13: error: static declaration of 'nvmet_fc_tgtport_put' follows non-static declaration
   static void nvmet_fc_tgtport_put(struct nvmet_fc_tgtport *tgtport);
               ^
   drivers/nvme/target/fc.c:253:2: note: previous implicit declaration is here
           nvmet_fc_tgtport_put(tgtport);
           ^
   2 errors generated.


vim +/nvmet_fc_tgtport_put +253 drivers/nvme/target/fc.c

   244	
   245	
   246	static void nvmet_fc_handle_ls_rqst_work(struct work_struct *work);
   247	static void nvmet_fc_fcp_rqst_op_defer_work(struct work_struct *work);
   248	static void nvmet_fc_put_tgtport_work(struct work_struct *work)
   249	{
   250		struct nvmet_fc_tgtport *tgtport =
   251			container_of(work, struct nvmet_fc_tgtport, put_work);
   252	
 > 253		nvmet_fc_tgtport_put(tgtport);
   254	}
   255	static void nvmet_fc_tgt_a_put(struct nvmet_fc_tgt_assoc *assoc);
   256	static int nvmet_fc_tgt_a_get(struct nvmet_fc_tgt_assoc *assoc);
   257	static void nvmet_fc_tgt_q_put(struct nvmet_fc_tgt_queue *queue);
   258	static int nvmet_fc_tgt_q_get(struct nvmet_fc_tgt_queue *queue);
 > 259	static void nvmet_fc_tgtport_put(struct nvmet_fc_tgtport *tgtport);
   260	static int nvmet_fc_tgtport_get(struct nvmet_fc_tgtport *tgtport);
   261	static void nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,
   262						struct nvmet_fc_fcp_iod *fod);
   263	static void nvmet_fc_delete_target_assoc(struct nvmet_fc_tgt_assoc *assoc);
   264	static void nvmet_fc_xmt_ls_rsp(struct nvmet_fc_tgtport *tgtport,
   265					struct nvmet_fc_ls_iod *iod);
   266	
   267	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki