Re: [PATCH] cxl/core/region_dax.c: fix missing assignment in cxl_dax_region_alloc()

kernel test robot
2026-04-17T20:36:15Z

Hi Anisa,

kernel test robot noticed the following build errors:

[auto build test ERROR on cxl/next]
[also build test ERROR on next-20260416]
[cannot apply to linus/master cxl/pending v7.0]
[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/Anisa-Su/cxl-core-region_dax-c-fix-missing-assignment-in-cxl_dax_region_alloc/20260417-104320
base: https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git next
patch link: https://lore.kernel.org/r/20260411011137.43545-1-anisa.su%40samsung.com
patch subject: [PATCH] cxl/core/region_dax.c: fix missing assignment in cxl_dax_region_alloc()
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20260418/202604180424.a2VTSNB7-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260418/202604180424.a2VTSNB7-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/202604180424.a2VTSNB7-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/cxl/core/region_dax.c:65:8: error: no member named 'cxlr_dax' in 'struct cxl_region'
65 | cxlr->cxlr_dax = cxlr_dax;
| ~~~~ ^
1 error generated.

vim +65 drivers/cxl/core/region_dax.c

45
46 static struct cxl_dax_region *cxl_dax_region_alloc(struct cxl_region *cxlr)
47 {
48 struct cxl_region_params *p = &cxlr->params;
49 struct cxl_dax_region *cxlr_dax;
50 struct device *dev;
51
52 guard(rwsem_read)(&cxl_rwsem.region);
53 if (p->state != CXL_CONFIG_COMMIT)
54 return ERR_PTR(-ENXIO);
55
56 cxlr_dax = kzalloc_obj(*cxlr_dax);
57 if (!cxlr_dax)
58 return ERR_PTR(-ENOMEM);
59
60 cxlr_dax->hpa_range.start = p->res->start;
61 cxlr_dax->hpa_range.end = p->res->end;
62
63 dev = &cxlr_dax->dev;
64 cxlr_dax->cxlr = cxlr;
> 65 cxlr->cxlr_dax = cxlr_dax;
66 device_initialize(dev);
67 lockdep_set_class(&dev->mutex, &cxl_dax_region_key);
68 device_set_pm_not_required(dev);
69 dev->parent = &cxlr->dev;
70 dev->bus = &cxl_bus_type;
71 dev->type = &cxl_dax_region_type;
72
73 return cxlr_dax;
74 }
75

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