[cris:scmi_telemetry_ng_V5 12/27] drivers/firmware/arm_scmi/telemetry.c:1345:44: sparse: sparse: dereference of noderef expression

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/cris/linux.git scmi_telemetry_ng_V5
head:   12bf8bf979989adcd25b57e702706658e00cee91
commit: 9d1fa2b0ff4af2334e6ab35bcc4b37d2338d3f6e [12/27] firmware: arm_scmi: Add support to parse SHMTIs areas
config: hexagon-randconfig-r122-20260704 (https://download.01.org/0day-ci/archive/20260704/202607041355.ZNxOPVsa-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 0a2fb2a2269da0e2a3e230beb6cad39ca314db33)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260704/202607041355.ZNxOPVsa-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/202607041355.ZNxOPVsa-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/firmware/arm_scmi/telemetry.c:1314:48: sparse: sparse: non size-preserving pointer to integer cast
>> drivers/firmware/arm_scmi/telemetry.c:1345:44: sparse: sparse: dereference of noderef expression
   drivers/firmware/arm_scmi/telemetry.c:1353:48: sparse: sparse: non size-preserving pointer to integer cast

vim +1345 drivers/firmware/arm_scmi/telemetry.c

  1331	
  1332	static struct telemetry_uuid *
  1333	scmi_telemetry_uuid_create(struct device *dev, struct xarray *xa_lines,
  1334				   struct payload __iomem *payld)
  1335	{
  1336		struct telemetry_uuid *uuid;
  1337		struct uuid_line __iomem *uuid_l = &payld->uuid_l;
  1338		int ret;
  1339	
  1340		uuid = kzalloc_obj(*uuid);
  1341		if (!uuid)
  1342			return NULL;
  1343	
  1344		for (int i = 0; i < SCMI_TLM_DE_IMPL_MAX_DWORDS; i++)
> 1345			uuid->de_impl_version[i] = le32_to_cpu(uuid_l->dwords[i]);
  1346	
  1347		ret = scmi_telemetry_line_init(&uuid->line, xa_lines, payld);
  1348		if (ret) {
  1349			kfree(uuid);
  1350			return NULL;
  1351		}
  1352	
  1353		trace_scmi_tlm_collect(0, (__force u64)payld, 0, "SHMTI_NEW_UUID");
  1354	
  1355		return uuid;
  1356	}
  1357	

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