Re: [PATCH v2 2/2] Bluetooth: Add experimental wrapper for MGMT based mesh

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

Hi Brian,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on bluetooth/master]
[also build test WARNING on bluetooth-next/master v5.18-rc6 next-20220509]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Brian-Gix/Add-Mesh-functionality-to-net-bluetooth/20220510-060608
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git master
config: arc-randconfig-s031-20220509 (https://download.01.org/0day-ci/archive/20220510/202205101530.WHKiKnKN-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 11.3.0
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: v0.6.4-dirty
        # https://github.com/intel-lab-lkp/linux/commit/885a42ec302cf25607003d07fec0f13cbeb61d35
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Brian-Gix/Add-Mesh-functionality-to-net-bluetooth/20220510-060608
        git checkout 885a42ec302cf25607003d07fec0f13cbeb61d35
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc SHELL=/bin/bash net/bluetooth/

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 >>)
>> net/bluetooth/mgmt.c:2145:71: sparse: sparse: Using plain integer as NULL pointer
   net/bluetooth/mgmt.c:4107:29: sparse: sparse: restricted __le16 degrades to integer
   net/bluetooth/mgmt.c:4933:9: sparse: sparse: cast to restricted __le32
   net/bluetooth/mgmt.c:10213:21: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le64 [usertype] instant @@     got unsigned int [usertype] instant @@
   net/bluetooth/mgmt.c:10213:21: sparse:     expected restricted __le64 [usertype] instant
   net/bluetooth/mgmt.c:10213:21: sparse:     got unsigned int [usertype] instant

vim +2145 net/bluetooth/mgmt.c

  2131	
  2132	static void set_mesh_complete(struct hci_dev *hdev, void *data, int err)
  2133	{
  2134		struct mgmt_pending_cmd *cmd = data;
  2135		u8 status = mgmt_status(err);
  2136		struct sock *sk = cmd->sk;
  2137	
  2138		if (status) {
  2139			mgmt_pending_foreach(MGMT_OP_SET_MESH_RECEIVER, hdev,
  2140							cmd_status_rsp, &status);
  2141			return;
  2142		}
  2143	
  2144		mgmt_pending_remove(cmd);
> 2145		mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER, 0, 0, 0);
  2146	}
  2147	

-- 
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