Re: [PATCH v8 12/15] platform/x86: dell-smbios: Add filtering support

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Hi Mario,

[auto build test ERROR on platform-drivers-x86/for-next]
[also build test ERROR on v4.14-rc5 next-20171016]
[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/Mario-Limonciello/Introduce-support-for-Dell-SMBIOS-over-WMI/20171017-103109
base:   git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git for-next
config: x86_64-randconfig-x001-201742 (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 errors (new ones prefixed by >>):

>> drivers/platform/x86/dell-smbios.c:53:3: error: 'CAP_SYS_ADMIN' undeclared here (not in a function)
     {CAP_SYS_ADMIN, CLASS_TOKEN_READ, SELECT_TOKEN_STD},
      ^~~~~~~~~~~~~
>> drivers/platform/x86/dell-smbios.c:88:3: error: initializer element is not constant
     {CAP_SYS_ADMIN, CAPSULE_EN_TOKEN, CAPSULE_DIS_TOKEN},
      ^~~~~~~~~~~~~
   drivers/platform/x86/dell-smbios.c:88:3: note: (near initialization for 'token_whitelist[0].need_capability')
   drivers/platform/x86/dell-smbios.c: In function 'dell_smbios_call_filter':
   drivers/platform/x86/dell-smbios.c:245:8: error: implicit declaration of function 'capable' [-Werror=implicit-function-declaration]
           capable(token_whitelist[i].need_capability)) {
           ^~~~~~~
>> drivers/platform/x86/dell-smbios.c:271:14: error: 'CAP_SYS_RAWIO' undeclared (first use in this function)
     if (capable(CAP_SYS_RAWIO)) {
                 ^~~~~~~~~~~~~
   drivers/platform/x86/dell-smbios.c:271:14: note: each undeclared identifier is reported only once for each function it appears in
   cc1: some warnings being treated as errors

vim +/CAP_SYS_ADMIN +53 drivers/platform/x86/dell-smbios.c

    47	
    48	/* calls that are whitelisted for given capabilities */
    49	static struct smbios_call call_whitelist[] = {
    50		/* generally tokens are allowed, but may be further filtered or
    51		 * restricted by token blacklist or whitelist
    52		 */
  > 53		{CAP_SYS_ADMIN,	CLASS_TOKEN_READ,	SELECT_TOKEN_STD},
    54		{CAP_SYS_ADMIN,	CLASS_TOKEN_READ,	SELECT_TOKEN_AC},
    55		{CAP_SYS_ADMIN,	CLASS_TOKEN_READ,	SELECT_TOKEN_BAT},
    56		{CAP_SYS_ADMIN,	CLASS_TOKEN_WRITE,	SELECT_TOKEN_STD},
    57		{CAP_SYS_ADMIN,	CLASS_TOKEN_WRITE,	SELECT_TOKEN_AC},
    58		{CAP_SYS_ADMIN,	CLASS_TOKEN_WRITE,	SELECT_TOKEN_BAT},
    59		/* used by userspace: fwupdate */
    60		{CAP_SYS_ADMIN, CLASS_ADMIN_PROP,	SELECT_ADMIN_PROP},
    61		/* used by userspace: fwupd */
    62		{CAP_SYS_ADMIN,	CLASS_INFO,		SELECT_DOCK},
    63		{CAP_SYS_ADMIN,	CLASS_FLASH_INTERFACE,	SELECT_FLASH_INTERFACE},
    64	};
    65	
    66	/* calls that are explicitly blacklisted */
    67	static struct smbios_call call_blacklist[] = {
    68		{0x0000, 01, 07}, /* manufacturing use */
    69		{0x0000, 06, 05}, /* manufacturing use */
    70		{0x0000, 11, 03}, /* write once */
    71		{0x0000, 11, 07}, /* write once */
    72		{0x0000, 11, 11}, /* write once */
    73		{0x0000, 19, -1}, /* diagnostics */
    74		/* handled by kernel: dell-laptop */
    75		{0x0000, CLASS_INFO, SELECT_RFKILL},
    76		{0x0000, CLASS_KBD_BACKLIGHT, SELECT_KBD_BACKLIGHT},
    77	};
    78	
    79	struct token_range {
    80		u32 need_capability;
    81		u16 min;
    82		u16 max;
    83	};
    84	
    85	/* tokens that are whitelisted for given capabilities */
    86	static struct token_range token_whitelist[] = {
    87		/* used by userspace: fwupdate */
  > 88		{CAP_SYS_ADMIN,	CAPSULE_EN_TOKEN,	CAPSULE_DIS_TOKEN},
    89		/* can indicate to userspace that WMI is needed */
    90		{0x0000,	WSMT_EN_TOKEN,		WSMT_DIS_TOKEN}
    91	};
    92	

---
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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