Re: [PATCH v3 16/17] nvmet: New NVMe PCI endpoint target driver

[kernel test robot <lkp@intel.com>]

Hi Damien,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus linus/master v6.13-rc2 next-20241211]
[cannot apply to hch-configfs/for-next]
[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/Damien-Le-Moal/nvmet-Add-vendor_id-and-subsys_vendor_id-subsystem-attributes/20241210-174321
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20241210093408.105867-17-dlemoal%40kernel.org
patch subject: [PATCH v3 16/17] nvmet: New NVMe PCI endpoint target driver
config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20241211/202412112307.uOdX4fWx-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241211/202412112307.uOdX4fWx-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412112307.uOdX4fWx-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/nvme/target/pci-ep.c: In function 'nvmet_pciep_iod_name':
>> drivers/nvme/target/pci-ep.c:658:16: error: implicit declaration of function 'nvme_opcode_str'; did you mean 'nvme_opcode_name'? [-Wimplicit-function-declaration]
     658 |         return nvme_opcode_str(iod->sq->qid, iod->cmd.common.opcode);
         |                ^~~~~~~~~~~~~~~
         |                nvme_opcode_name
>> drivers/nvme/target/pci-ep.c:658:16: error: returning 'int' from a function with return type 'const char *' makes pointer from integer without a cast [-Wint-conversion]
     658 |         return nvme_opcode_str(iod->sq->qid, iod->cmd.common.opcode);
         |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +658 drivers/nvme/target/pci-ep.c

   655	
   656	static inline const char *nvmet_pciep_iod_name(struct nvmet_pciep_iod *iod)
   657	{
 > 658		return nvme_opcode_str(iod->sq->qid, iod->cmd.common.opcode);
   659	}
   660	

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