[linux-next:master 7463/11648] drivers/hid/surface-hid/surface_hid_core.c:171:29: sparse: sparse: cast from restricted __le16

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   e99d8a8495175df8cb8b739f8cf9b0fc9d0cd3b5
commit: b05ff1002a5c19f2fd511c6eada6f475ff701841 [7463/11648] HID: Add support for Surface Aggregator Module HID transport
config: arm64-randconfig-s032-20210411 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-279-g6d5d9b42-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b05ff1002a5c19f2fd511c6eada6f475ff701841
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout b05ff1002a5c19f2fd511c6eada6f475ff701841
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64 

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


sparse warnings: (new ones prefixed by >>)
>> drivers/hid/surface-hid/surface_hid_core.c:171:29: sparse: sparse: cast from restricted __le16
>> drivers/hid/surface-hid/surface_hid_core.c:171:27: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] vendor @@     got restricted __le16 [usertype] @@
   drivers/hid/surface-hid/surface_hid_core.c:171:27: sparse:     expected unsigned int [usertype] vendor
   drivers/hid/surface-hid/surface_hid_core.c:171:27: sparse:     got restricted __le16 [usertype]
   drivers/hid/surface-hid/surface_hid_core.c:172:30: sparse: sparse: cast from restricted __le16
>> drivers/hid/surface-hid/surface_hid_core.c:172:28: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] product @@     got restricted __le16 [usertype] @@
   drivers/hid/surface-hid/surface_hid_core.c:172:28: sparse:     expected unsigned int [usertype] product
   drivers/hid/surface-hid/surface_hid_core.c:172:28: sparse:     got restricted __le16 [usertype]
   drivers/hid/surface-hid/surface_hid_core.c:173:30: sparse: sparse: cast from restricted __le16
>> drivers/hid/surface-hid/surface_hid_core.c:173:28: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] version @@     got restricted __le16 [usertype] @@
   drivers/hid/surface-hid/surface_hid_core.c:173:28: sparse:     expected unsigned int [usertype] version
   drivers/hid/surface-hid/surface_hid_core.c:173:28: sparse:     got restricted __le16 [usertype]

vim +171 drivers/hid/surface-hid/surface_hid_core.c

   152	
   153	int surface_hid_device_add(struct surface_hid_device *shid)
   154	{
   155		int status;
   156	
   157		status = surface_hid_load_hid_descriptor(shid);
   158		if (status)
   159			return status;
   160	
   161		status = surface_hid_load_device_attributes(shid);
   162		if (status)
   163			return status;
   164	
   165		shid->hid = hid_allocate_device();
   166		if (IS_ERR(shid->hid))
   167			return PTR_ERR(shid->hid);
   168	
   169		shid->hid->dev.parent = shid->dev;
   170		shid->hid->bus = BUS_HOST;
 > 171		shid->hid->vendor = cpu_to_le16(shid->attrs.vendor);
 > 172		shid->hid->product = cpu_to_le16(shid->attrs.product);
 > 173		shid->hid->version = cpu_to_le16(shid->hid_desc.hid_version);
   174		shid->hid->country = shid->hid_desc.country_code;
   175	
   176		snprintf(shid->hid->name, sizeof(shid->hid->name), "Microsoft Surface %04X:%04X",
   177			 shid->hid->vendor, shid->hid->product);
   178	
   179		strscpy(shid->hid->phys, dev_name(shid->dev), sizeof(shid->hid->phys));
   180	
   181		shid->hid->driver_data = shid;
   182		shid->hid->ll_driver = &surface_hid_ll_driver;
   183	
   184		status = hid_add_device(shid->hid);
   185		if (status)
   186			hid_destroy_device(shid->hid);
   187	
   188		return status;
   189	}
   190	EXPORT_SYMBOL_GPL(surface_hid_device_add);
   191	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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