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Subjectdrivers/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@intel.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

---
0-DAY CI Kernel Test Service
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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