Hi Yang, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.12-rc5 next-20210401] [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/Yang-Li/coda-Remove-various-instances-of-an-unused-variable-outp/20210402-173111 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1678e493d530e7977cce34e59a86bb86f3c5631e config: arc-randconfig-r014-20210402 (attached as .config) compiler: arceb-elf-gcc (GCC) 9.3.0 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/b6484bc8a589df437829010ab82b49c48d56ee46 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Yang-Li/coda-Remove-various-instances-of-an-unused-variable-outp/20210402-173111 git checkout b6484bc8a589df437829010ab82b49c48d56ee46 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): fs/coda/upcall.c: In function 'venus_setattr': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:118:2: note: in expansion of macro 'UPARG' 118 | UPARG(CODA_SETATTR); | ^~~~~ fs/coda/upcall.c:65:9: note: each undeclared identifier is reported only once for each function it appears in 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:118:2: note: in expansion of macro 'UPARG' 118 | UPARG(CODA_SETATTR); | ^~~~~ fs/coda/upcall.c: In function 'venus_close': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:166:2: note: in expansion of macro 'UPARG' 166 | UPARG(CODA_CLOSE); | ^~~~~ fs/coda/upcall.c: In function 'venus_rename': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:242:3: note: in expansion of macro 'UPARG' 242 | UPARG(CODA_RENAME); | ^~~~~ fs/coda/upcall.c: In function 'venus_rmdir': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:308:2: note: in expansion of macro 'UPARG' 308 | UPARG(CODA_RMDIR); | ^~~~~ fs/coda/upcall.c: In function 'venus_remove': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:329:2: note: in expansion of macro 'UPARG' 329 | UPARG(CODA_REMOVE); | ^~~~~ fs/coda/upcall.c: In function 'venus_link': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:383:9: note: in expansion of macro 'UPARG' 383 | UPARG(CODA_LINK); | ^~~~~ fs/coda/upcall.c: In function 'venus_symlink': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:409:2: note: in expansion of macro 'UPARG' 409 | UPARG(CODA_SYMLINK); | ^~~~~ fs/coda/upcall.c: In function 'venus_fsync': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:439:2: note: in expansion of macro 'UPARG' 439 | UPARG(CODA_FSYNC); | ^~~~~ fs/coda/upcall.c: In function 'venus_access': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:454:2: note: in expansion of macro 'UPARG' 454 | UPARG(CODA_ACCESS); | ^~~~~ fs/coda/upcall.c: In function 'venus_access_intent': >> fs/coda/upcall.c:65:9: error: 'outp' undeclared (first use in this function); did you mean 'outl'? 65 | outp = (union outputArgs *)(inp); \ | ^~~~ fs/coda/upcall.c:577:2: note: in expansion of macro 'UPARG' 577 | UPARG(CODA_ACCESS_INTENT); | ^~~~~ vim +65 fs/coda/upcall.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 60 ^1da177e4c3f41 Linus Torvalds 2005-04-16 61 #define UPARG(op)\ ^1da177e4c3f41 Linus Torvalds 2005-04-16 62 do {\ ^1da177e4c3f41 Linus Torvalds 2005-04-16 63 inp = (union inputArgs *)alloc_upcall(op, insize); \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 64 if (IS_ERR(inp)) { return PTR_ERR(inp); }\ ^1da177e4c3f41 Linus Torvalds 2005-04-16 @65 outp = (union outputArgs *)(inp); \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 66 outsize = insize; \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 67 } while (0) ^1da177e4c3f41 Linus Torvalds 2005-04-16 68 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org