Subject: [net-next:master 469/495] drivers/nfc/fdp/fdp.c:116:67: sparse: sparse: incorrect type in argument 4 (different modifiers)

From: kernel test robot <[email-masked]>
Date: Fri, 30 Jul 2021 04:06:42 +0800

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   88ea96f8c14e39f7ee397b815de622ea5e1481ab
commit: 3d463dd5023b5a58b3c37207d65eeb5acbac2be3 [469/495] nfc: fdp: constify several pointers
config: ia64-randconfig-s032-20210728 (attached as .config)
compiler: ia64-linux-gcc (GCC) 10.3.0
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: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=3d463dd5023b5a58b3c37207d65eeb5acbac2be3
        git remote add net-next https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
        git fetch --no-tags net-next master
        git checkout 3d463dd5023b5a58b3c37207d65eeb5acbac2be3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email-masked]>

sparse warnings: (new ones prefixed by >>)
>> drivers/nfc/fdp/fdp.c:116:67: sparse: sparse: incorrect type in argument 4 (different modifiers) @@     expected unsigned char [usertype] *payload @@     got char const *data @@
   drivers/nfc/fdp/fdp.c:116:67: sparse:     expected unsigned char [usertype] *payload
   drivers/nfc/fdp/fdp.c:116:67: sparse:     got char const *data
>> drivers/nfc/fdp/fdp.c:116:67: sparse: sparse: incorrect type in argument 4 (different modifiers) @@     expected unsigned char [usertype] *payload @@     got char const *data @@
   drivers/nfc/fdp/fdp.c:116:67: sparse:     expected unsigned char [usertype] *payload
   drivers/nfc/fdp/fdp.c:116:67: sparse:     got char const *data

vim +116 drivers/nfc/fdp/fdp.c

a06347c04c13e38 Robert Dolca        2015-10-22  112  
a06347c04c13e38 Robert Dolca        2015-10-22  113  static inline int fdp_nci_set_production_data(struct nci_dev *ndev, u8 len,
3d463dd5023b5a5 Krzysztof Kozlowski 2021-07-29  114  					      const char *data)
a06347c04c13e38 Robert Dolca        2015-10-22  115  {
a06347c04c13e38 Robert Dolca        2015-10-22 @116  	return nci_prop_cmd(ndev, NCI_OP_PROP_SET_PDATA_OID, len, data);
a06347c04c13e38 Robert Dolca        2015-10-22  117  }
a06347c04c13e38 Robert Dolca        2015-10-22  118  

:::::: The code at line 116 was first introduced by commit
:::::: a06347c04c13e380afce0c9816df51f00b83faf1 NFC: Add Intel Fields Peak NFC solution driver

:::::: TO: Robert Dolca <[email-masked]>
:::::: CC: Samuel Ortiz <[email-masked]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email-masked]