linux-kernel - drivers/platform/x86/thinkpad_acpi.c:918:30: error: unused variable 'dispatch_proc

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Date:   Sun, 14 Nov 2021 00:44:07 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: drivers/platform/x86/thinkpad_acpi.c:918:30: error: unused variable
 'dispatch_proc_ops'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   66f4beaa6c1d28161f534471484b2daa2de1dce0
commit: fd96e35ea7b95f1e216277805be89d66e4ae962d platform/x86: thinkpad_acpi: Fix bitwise vs. logical warning
date:   4 weeks ago
config: i386-buildonly-randconfig-r002-20211109 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 63ef0e17e28827eae53133b3467bdac7d9729318)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fd96e35ea7b95f1e216277805be89d66e4ae962d
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout fd96e35ea7b95f1e216277805be89d66e4ae962d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=i386 

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

All errors (new ones prefixed by >>):

>> drivers/platform/x86/thinkpad_acpi.c:918:30: error: unused variable 'dispatch_proc_ops' [-Werror,-Wunused-const-variable]
   static const struct proc_ops dispatch_proc_ops = {
                                ^
   1 error generated.


vim +/dispatch_proc_ops +918 drivers/platform/x86/thinkpad_acpi.c

^1da177e4c3f41 drivers/acpi/ibm_acpi.c              Linus Torvalds  2005-04-16  917  
97a32539b9568b drivers/platform/x86/thinkpad_acpi.c Alexey Dobriyan 2020-02-03 @918  static const struct proc_ops dispatch_proc_ops = {
97a32539b9568b drivers/platform/x86/thinkpad_acpi.c Alexey Dobriyan 2020-02-03  919  	.proc_open	= dispatch_proc_open,
97a32539b9568b drivers/platform/x86/thinkpad_acpi.c Alexey Dobriyan 2020-02-03  920  	.proc_read	= seq_read,
97a32539b9568b drivers/platform/x86/thinkpad_acpi.c Alexey Dobriyan 2020-02-03  921  	.proc_lseek	= seq_lseek,
97a32539b9568b drivers/platform/x86/thinkpad_acpi.c Alexey Dobriyan 2020-02-03  922  	.proc_release	= single_release,
97a32539b9568b drivers/platform/x86/thinkpad_acpi.c Alexey Dobriyan 2020-02-03  923  	.proc_write	= dispatch_proc_write,
887965e6576a78 drivers/platform/x86/thinkpad_acpi.c Alexey Dobriyan 2009-12-15  924  };
887965e6576a78 drivers/platform/x86/thinkpad_acpi.c Alexey Dobriyan 2009-12-15  925  

:::::: The code at line 918 was first introduced by commit
:::::: 97a32539b9568bb653683349e5a76d02ff3c3e2c proc: convert everything to "struct proc_ops"

:::::: TO: Alexey Dobriyan <adobriyan@...il.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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

Download attachment ".config.gz" of type "application/gzip" (39115 bytes)