linux-kernel - drivers/nvme/host/core.c:3629:64: error: 'ctrl' undeclared

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Message-ID: <202203160425.CZRSa5uF-lkp@intel.com>
Date:   Wed, 16 Mar 2022 04:14:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     hch <hch@....de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        0day robot <lkp@...el.com>
Subject: drivers/nvme/host/core.c:3629:64: error: 'ctrl' undeclared

tree:   https://github.com/0day-ci/linux/commits/UPDATE-20220315-151414/Sungup-Moon/driver-nvme-host-Support-duplicated-nsid-for-the-private-ns/20220314-191232
head:   7101b34f72a97926495a7befec1c27c502c1f792
commit: 7101b34f72a97926495a7befec1c27c502c1f792 driver/nvme/host: Support duplicated nsid for the private ns
date:   13 hours ago
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220316/202203160425.CZRSa5uF-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/7101b34f72a97926495a7befec1c27c502c1f792
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review UPDATE-20220315-151414/Sungup-Moon/driver-nvme-host-Support-duplicated-nsid-for-the-private-ns/20220314-191232
        git checkout 7101b34f72a97926495a7befec1c27c502c1f792
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   drivers/nvme/host/core.c: In function 'nvme_find_ns_head':
>> drivers/nvme/host/core.c:3629:64: error: 'ctrl' undeclared (first use in this function)
    3629 |                 if (h->ns_id != nsid || !nvme_is_uniqueue_nsid(ctrl, head))
         |                                                                ^~~~
   drivers/nvme/host/core.c:3629:64: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/nvme/host/core.c:3629:70: error: 'head' undeclared (first use in this function)
    3629 |                 if (h->ns_id != nsid || !nvme_is_uniqueue_nsid(ctrl, head))
         |                                                                      ^~~~


vim +/ctrl +3629 drivers/nvme/host/core.c

  3615	
  3616	static struct nvme_ns_head *nvme_find_ns_head(struct nvme_subsystem *subsys,
  3617			unsigned nsid)
  3618	{
  3619		struct nvme_ns_head *h;
  3620	
  3621		lockdep_assert_held(&subsys->lock);
  3622	
  3623		list_for_each_entry(h, &subsys->nsheads, entry) {
  3624			/*
  3625			 * Private namespaces can share NSIDs under some conditions.
  3626			 * In that case we can't use the same ns_head for namespaces
  3627			 * with the same NSID.
  3628			 */
> 3629			if (h->ns_id != nsid || !nvme_is_uniqueue_nsid(ctrl, head))
  3630				continue;
  3631			if (!list_empty(&h->list) && nvme_tryget_ns_head(h))
  3632				return h;
  3633		}
  3634	
  3635		return NULL;
  3636	}
  3637	

---
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