Re: [PATCH v5 BlueZ 4/4] Bluetooth: Handle Slave Connection Interval Range AD

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Hi Felipe,

[auto build test WARNING on bluetooth/master]
[also build test WARNING on v4.11-rc6 next-20170413]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Felipe-F-Tonello/Connection-Update-improvements/20170414-030326
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git master
config: x86_64-randconfig-x011-201715 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   In file included from include/linux/byteorder/little_endian.h:4:0,
                    from arch/x86/include/uapi/asm/byteorder.h:4,
                    from include/asm-generic/bitops/le.h:5,
                    from arch/x86/include/asm/bitops.h:517,
                    from include/linux/bitops.h:36,
                    from include/linux/kernel.h:10,
                    from include/linux/list.h:8,
                    from include/linux/module.h:9,
                    from net/bluetooth/mgmt.c:27:
   net/bluetooth/mgmt.c: In function 'has_eir_slave_conn_int':
>> include/uapi/linux/byteorder/little_endian.h:35:42: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                             ^
   include/linux/byteorder/generic.h:90:21: note: in expansion of macro '__le16_to_cpu'
    #define le16_to_cpu __le16_to_cpu
                        ^~~~~~~~~~~~~
>> net/bluetooth/mgmt.c:7474:16: note: in expansion of macro 'le16_to_cpu'
       *min_conn = le16_to_cpu(&data[0]);
                   ^~~~~~~~~~~
>> include/uapi/linux/byteorder/little_endian.h:35:42: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                             ^
   include/linux/byteorder/generic.h:90:21: note: in expansion of macro '__le16_to_cpu'
    #define le16_to_cpu __le16_to_cpu
                        ^~~~~~~~~~~~~
   net/bluetooth/mgmt.c:7475:16: note: in expansion of macro 'le16_to_cpu'
       *max_conn = le16_to_cpu(&data[2]);
                   ^~~~~~~~~~~
--
   In file included from include/linux/byteorder/little_endian.h:4:0,
                    from arch/x86/include/uapi/asm/byteorder.h:4,
                    from include/asm-generic/bitops/le.h:5,
                    from arch/x86/include/asm/bitops.h:517,
                    from include/linux/bitops.h:36,
                    from include/linux/kernel.h:10,
                    from include/linux/list.h:8,
                    from include/linux/module.h:9,
                    from net//bluetooth/mgmt.c:27:
   net//bluetooth/mgmt.c: In function 'has_eir_slave_conn_int':
>> include/uapi/linux/byteorder/little_endian.h:35:42: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                             ^
   include/linux/byteorder/generic.h:90:21: note: in expansion of macro '__le16_to_cpu'
    #define le16_to_cpu __le16_to_cpu
                        ^~~~~~~~~~~~~
   net//bluetooth/mgmt.c:7474:16: note: in expansion of macro 'le16_to_cpu'
       *min_conn = le16_to_cpu(&data[0]);
                   ^~~~~~~~~~~
>> include/uapi/linux/byteorder/little_endian.h:35:42: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                             ^
   include/linux/byteorder/generic.h:90:21: note: in expansion of macro '__le16_to_cpu'
    #define le16_to_cpu __le16_to_cpu
                        ^~~~~~~~~~~~~
   net//bluetooth/mgmt.c:7475:16: note: in expansion of macro 'le16_to_cpu'
       *max_conn = le16_to_cpu(&data[2]);
                   ^~~~~~~~~~~

vim +/le16_to_cpu +7474 net/bluetooth/mgmt.c

  7458				break;
  7459	
  7460			len += field_len + 1;
  7461	
  7462			/* Do not continue EIR Data parsing if got
  7463			 * incorrect length
  7464			 */
  7465			if (len > eir_len)
  7466				break;
  7467	
  7468			data = &eir_data[2];
  7469			data_len = field_len - 1;
  7470	
  7471			if (eir_data[1] == EIR_SLAVE_CONN_INT) {
  7472				if (data_len < 4)
  7473					break;
> 7474				*min_conn = le16_to_cpu(&data[0]);
  7475				*max_conn = le16_to_cpu(&data[2]);
  7476				return true;
  7477			}
  7478	
  7479			eir_data += field_len + 1;
  7480		}
  7481	
  7482		return false;

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
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