Hi, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: da2f6aba4a21f8da3331e5251a117c52764da579 commit: ea8daa7b97842aab8507b5b5b1e3226cf2d514a6 kbuild: Add option to turn incompatible pointer check into error date: 3 months ago config: alpha-allmodconfig (attached as .config) compiler: alpha-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout ea8daa7b97842aab8507b5b5b1e3226cf2d514a6 # save the attached .config to linux build tree make.cross ARCH=alpha All errors (new ones prefixed by >>): fs/binfmt_em86.c: In function 'load_em86': >> fs/binfmt_em86.c:73:35: error: passing argument 2 of 'copy_strings_kernel' >> from incompatible pointer type [-Werror=incompatible-pointer-types] retval = copy_strings_kernel(1, &i_arg, bprm); ^ In file included from fs/binfmt_em86.c:14:0: include/linux/binfmts.h:116:12: note: expected 'const char * const*' but argument is of type 'char **' extern int copy_strings_kernel(int argc, const char *const *argv, ^ fs/binfmt_em86.c:77:34: error: passing argument 2 of 'copy_strings_kernel' from incompatible pointer type [-Werror=incompatible-pointer-types] retval = copy_strings_kernel(1, &i_name, bprm); ^ In file included from fs/binfmt_em86.c:14:0: include/linux/binfmts.h:116:12: note: expected 'const char * const*' but argument is of type 'char **' extern int copy_strings_kernel(int argc, const char *const *argv, ^ fs/binfmt_em86.c:68:2: warning: ignoring return value of 'remove_arg_zero', declared with attribute warn_unused_result [-Wunused-result] remove_arg_zero(bprm); ^ cc1: some warnings being treated as errors vim +/copy_strings_kernel +73 fs/binfmt_em86.c ^1da177e Linus Torvalds 2005-04-16 57 i_name = EM86_I_NAME; ^1da177e Linus Torvalds 2005-04-16 58 i_arg = NULL; /* We reserve the right to add an arg later */ ^1da177e Linus Torvalds 2005-04-16 59 ^1da177e Linus Torvalds 2005-04-16 60 /* ^1da177e Linus Torvalds 2005-04-16 61 * Splice in (1) the interpreter's name for argv[0] ^1da177e Linus Torvalds 2005-04-16 62 * (2) (optional) argument to interpreter ^1da177e Linus Torvalds 2005-04-16 63 * (3) filename of emulated file (replace argv[0]) ^1da177e Linus Torvalds 2005-04-16 64 * ^1da177e Linus Torvalds 2005-04-16 65 * This is done in reverse order, because of how the ^1da177e Linus Torvalds 2005-04-16 66 * user environment and arguments are stored. ^1da177e Linus Torvalds 2005-04-16 67 */ ^1da177e Linus Torvalds 2005-04-16 68 remove_arg_zero(bprm); ^1da177e Linus Torvalds 2005-04-16 69 retval = copy_strings_kernel(1, &bprm->filename, bprm); ^1da177e Linus Torvalds 2005-04-16 70 if (retval < 0) return retval; ^1da177e Linus Torvalds 2005-04-16 71 bprm->argc++; ^1da177e Linus Torvalds 2005-04-16 72 if (i_arg) { ^1da177e Linus Torvalds 2005-04-16 @73 retval = copy_strings_kernel(1, &i_arg, bprm); ^1da177e Linus Torvalds 2005-04-16 74 if (retval < 0) return retval; ^1da177e Linus Torvalds 2005-04-16 75 bprm->argc++; ^1da177e Linus Torvalds 2005-04-16 76 } ^1da177e Linus Torvalds 2005-04-16 77 retval = copy_strings_kernel(1, &i_name, bprm); ^1da177e Linus Torvalds 2005-04-16 78 if (retval < 0) return retval; ^1da177e Linus Torvalds 2005-04-16 79 bprm->argc++; ^1da177e Linus Torvalds 2005-04-16 80 ^1da177e Linus Torvalds 2005-04-16 81 /* :::::: The code at line 73 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torva...@ppc970.osdl.org> :::::: CC: Linus Torvalds <torva...@ppc970.osdl.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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