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Date:   Sat, 26 Feb 2022 16:48:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yusuf Khan <yusisamerican@...il.com>, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, jasowang@...hat.com,
        mikelley@...rosoft.com, mst@...hat.com, gregkh@...uxfoundation.org,
        javier@...igon.com, arnd@...db.de, will@...nel.org,
        axboe@...nel.dk, bjorn.andersson@...aro.org,
        Yusuf Khan <yusisamerican@...il.com>
Subject: Re: [PATCH v2] drivers: ddcci: upstream DDCCI driver

Hi Yusuf,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linux/master]
[also build test ERROR on staging/staging-testing linus/master v5.17-rc5]
[cannot apply to next-20220225]
[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/0day-ci/linux/commits/Yusuf-Khan/drivers-ddcci-upstream-DDCCI-driver/20220226-120531
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2c271fe77d52a0555161926c232cd5bc07178b39
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220226/202202261644.hcY0BU0k-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/7eb8029b70584acc0e9ce82dfdcff13c5496f544
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Yusuf-Khan/drivers-ddcci-upstream-DDCCI-driver/20220226-120531
        git checkout 7eb8029b70584acc0e9ce82dfdcff13c5496f544
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash drivers/ddcci/

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

All error/warnings (new ones prefixed by >>):

   drivers/ddcci/ddcci.c: In function 'ddcci_modalias_clean':
>> drivers/ddcci/ddcci.c:76:17: error: expected '}' before 'else'
      76 |                 else if (c < '0' || (c > '9' && c < 'A') || (c > 'Z' && c < 'a') || c > 'z')
         |                 ^~~~
--
   drivers/ddcci/ddcci-backlight.c: In function 'ddcci_monitor_next_vcp_item':
>> drivers/ddcci/ddcci-backlight.c:168:17: error: expected '}' before 'else'
     168 |                 else if (depth > 0) {
         |                 ^~~~
>> drivers/ddcci/ddcci-backlight.c:186:13: error: invalid storage class for function 'ddcci_monitor_find_vcp'
     186 | static bool ddcci_monitor_find_vcp(unsigned char vcp, const char *s)
         |             ^~~~~~~~~~~~~~~~~~~~~~
>> drivers/ddcci/ddcci-backlight.c:186:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
     186 | static bool ddcci_monitor_find_vcp(unsigned char vcp, const char *s)
         | ^~~~~~
>> drivers/ddcci/ddcci-backlight.c:212:12: error: invalid storage class for function 'ddcci_backlight_create_symlink'
     212 | static int ddcci_backlight_create_symlink(struct ddcci_device *ddcci_dev)
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/ddcci/ddcci-backlight.c:240:12: error: invalid storage class for function 'ddcci_backlight_remove_symlink'
     240 | static int ddcci_backlight_remove_symlink(struct ddcci_device *ddcci_dev)
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/ddcci/ddcci-backlight.c:274:12: error: invalid storage class for function 'ddcci_monitor_probe'
     274 | static int ddcci_monitor_probe(struct ddcci_device *dev,
         |            ^~~~~~~~~~~~~~~~~~~
>> drivers/ddcci/ddcci-backlight.c:377:12: error: invalid storage class for function 'ddcci_monitor_remove'
     377 | static int ddcci_monitor_remove(struct ddcci_device *dev)
         |            ^~~~~~~~~~~~~~~~~~~~
>> drivers/ddcci/ddcci-backlight.c:396:27: error: initializer element is not constant
     396 |         .probe          = ddcci_monitor_probe,
         |                           ^~~~~~~~~~~~~~~~~~~
   drivers/ddcci/ddcci-backlight.c:396:27: note: (near initialization for 'ddcci_backlight_driver.probe')
   drivers/ddcci/ddcci-backlight.c:397:27: error: initializer element is not constant
     397 |         .remove         = ddcci_monitor_remove,
         |                           ^~~~~~~~~~~~~~~~~~~~
   drivers/ddcci/ddcci-backlight.c:397:27: note: (near initialization for 'ddcci_backlight_driver.remove')
   In file included from include/linux/device.h:32,
                    from include/linux/backlight.h:12,
                    from drivers/ddcci/ddcci-backlight.c:16:
>> drivers/ddcci/ddcci-backlight.c:400:21: error: invalid storage class for function 'ddcci_backlight_driver_init'
     400 | module_ddcci_driver(ddcci_backlight_driver);
         |                     ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/device/driver.h:260:19: note: in definition of macro 'module_driver'
     260 | static int __init __driver##_init(void) \
         |                   ^~~~~~~~
   drivers/ddcci/ddcci-backlight.c:400:1: note: in expansion of macro 'module_ddcci_driver'
     400 | module_ddcci_driver(ddcci_backlight_driver);
         | ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/device/driver.h:21,
                    from include/linux/device.h:32,
                    from include/linux/backlight.h:12,
                    from drivers/ddcci/ddcci-backlight.c:16:
>> include/linux/module.h:131:49: error: invalid storage class for function '__inittest'
     131 |         static inline initcall_t __maybe_unused __inittest(void)                \
         |                                                 ^~~~~~~~~~
   include/linux/device/driver.h:264:1: note: in expansion of macro 'module_init'
     264 | module_init(__driver##_init); \
         | ^~~~~~~~~~~
   include/linux/ddcci.h:138:9: note: in expansion of macro 'module_driver'
     138 |         module_driver(__ddcci_driver, ddcci_add_driver, \
         |         ^~~~~~~~~~~~~
   drivers/ddcci/ddcci-backlight.c:400:1: note: in expansion of macro 'module_ddcci_driver'
     400 | module_ddcci_driver(ddcci_backlight_driver);
         | ^~~~~~~~~~~~~~~~~~~
>> drivers/ddcci/ddcci-backlight.c:400:1: warning: 'alias' attribute ignored [-Wattributes]
   In file included from include/linux/device.h:32,
                    from include/linux/backlight.h:12,
                    from drivers/ddcci/ddcci-backlight.c:16:
>> drivers/ddcci/ddcci-backlight.c:400:21: error: invalid storage class for function 'ddcci_backlight_driver_exit'
     400 | module_ddcci_driver(ddcci_backlight_driver);
         |                     ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/device/driver.h:265:20: note: in definition of macro 'module_driver'
     265 | static void __exit __driver##_exit(void) \
         |                    ^~~~~~~~
   drivers/ddcci/ddcci-backlight.c:400:1: note: in expansion of macro 'module_ddcci_driver'
     400 | module_ddcci_driver(ddcci_backlight_driver);
         | ^~~~~~~~~~~~~~~~~~~
>> include/linux/device/driver.h:265:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
     265 | static void __exit __driver##_exit(void) \
         | ^~~~~~
   include/linux/ddcci.h:138:9: note: in expansion of macro 'module_driver'
     138 |         module_driver(__ddcci_driver, ddcci_add_driver, \
         |         ^~~~~~~~~~~~~
   drivers/ddcci/ddcci-backlight.c:400:1: note: in expansion of macro 'module_ddcci_driver'
     400 | module_ddcci_driver(ddcci_backlight_driver);
         | ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/device/driver.h:21,
                    from include/linux/device.h:32,
                    from include/linux/backlight.h:12,
                    from drivers/ddcci/ddcci-backlight.c:16:
>> include/linux/module.h:139:49: error: invalid storage class for function '__exittest'
     139 |         static inline exitcall_t __maybe_unused __exittest(void)                \
         |                                                 ^~~~~~~~~~
   include/linux/device/driver.h:269:1: note: in expansion of macro 'module_exit'
     269 | module_exit(__driver##_exit);
         | ^~~~~~~~~~~
   include/linux/ddcci.h:138:9: note: in expansion of macro 'module_driver'
     138 |         module_driver(__ddcci_driver, ddcci_add_driver, \
         |         ^~~~~~~~~~~~~
   drivers/ddcci/ddcci-backlight.c:400:1: note: in expansion of macro 'module_ddcci_driver'
     400 | module_ddcci_driver(ddcci_backlight_driver);
         | ^~~~~~~~~~~~~~~~~~~
>> drivers/ddcci/ddcci-backlight.c:400:1: warning: 'alias' attribute ignored [-Wattributes]
   In file included from include/linux/module.h:22,
                    from include/linux/device/driver.h:21,
                    from include/linux/device.h:32,
                    from include/linux/backlight.h:12,
                    from drivers/ddcci/ddcci-backlight.c:16:
>> include/linux/moduleparam.h:409:45: error: invalid storage class for function '__check_convenience_symlink'
     409 |         static inline type __always_unused *__check_##name(void) { return(p); }
         |                                             ^~~~~~~~
   include/linux/moduleparam.h:468:35: note: in expansion of macro '__param_check'
     468 | #define param_check_bool(name, p) __param_check(name, p, bool)
         |                                   ^~~~~~~~~~~~~
   include/linux/moduleparam.h:150:9: note: in expansion of macro 'param_check_bool'
     150 |         param_check_##type(name, &(value));                                \
         |         ^~~~~~~~~~~~
   include/linux/moduleparam.h:127:9: note: in expansion of macro 'module_param_named'
     127 |         module_param_named(name, name, type, perm)
         |         ^~~~~~~~~~~~~~~~~~
   drivers/ddcci/ddcci-backlight.c:403:1: note: in expansion of macro 'module_param'
     403 | module_param(convenience_symlink, bool, 0644);
         | ^~~~~~~~~~~~
   include/linux/moduleparam.h:409:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
     409 |         static inline type __always_unused *__check_##name(void) { return(p); }
         |         ^~~~~~
   include/linux/moduleparam.h:468:35: note: in expansion of macro '__param_check'
     468 | #define param_check_bool(name, p) __param_check(name, p, bool)
         |                                   ^~~~~~~~~~~~~
   include/linux/moduleparam.h:150:9: note: in expansion of macro 'param_check_bool'
     150 |         param_check_##type(name, &(value));                                \
         |         ^~~~~~~~~~~~
   include/linux/moduleparam.h:127:9: note: in expansion of macro 'module_param_named'
     127 |         module_param_named(name, name, type, perm)
         |         ^~~~~~~~~~~~~~~~~~
   drivers/ddcci/ddcci-backlight.c:403:1: note: in expansion of macro 'module_param'
     403 | module_param(convenience_symlink, bool, 0644);
         | ^~~~~~~~~~~~
   include/linux/moduleparam.h:289:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
     289 |         static const char __param_str_##name[] = prefix #name;          \
         |         ^~~~~~
   include/linux/moduleparam.h:176:9: note: in expansion of macro '__module_param_call'
     176 |         __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, -1, 0)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/moduleparam.h:151:9: note: in expansion of macro 'module_param_cb'
     151 |         module_param_cb(name, &param_ops_##type, &value, perm);            \
         |         ^~~~~~~~~~~~~~~
   include/linux/moduleparam.h:127:9: note: in expansion of macro 'module_param_named'
     127 |         module_param_named(name, name, type, perm)
         |         ^~~~~~~~~~~~~~~~~~
   drivers/ddcci/ddcci-backlight.c:403:1: note: in expansion of macro 'module_param'
     403 | module_param(convenience_symlink, bool, 0644);
         | ^~~~~~~~~~~~
>> drivers/ddcci/ddcci-backlight.c:411:1: error: expected declaration or statement at end of input
     411 | MODULE_ALIAS("ddcci:monitor-*-*-*-*");
         | ^~~~~~~~~~~~


vim +76 drivers/ddcci/ddcci.c

    65	
    66	/* Replace non-alphanumeric characters in a string (used for modalias) */
    67	static void ddcci_modalias_clean(char *string, size_t n, char replacement)
    68	{
    69		int i;
    70	
    71		for (i = 0; i < n; ++i) {
    72			char c = string[i];
    73	
    74			if (c == 0) {
    75				return;
  > 76			else if (c < '0' || (c > '9' && c < 'A') || (c > 'Z' && c < 'a') || c > 'z')
    77				string[i] = replacement;
    78		}
    79	}
    80	

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

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