tree: https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git xfs-5.5-merge head: da1faf13deb0109fb40ad2f4e93e680b34898b18 commit: d5e20bfa0b77b44cff86afe65fda85e3eb6b3582 [70/72] fs: add generic UNRESVSP and ZERO_RANGE ioctl handlers config: s390-debug_defconfig (attached as .config) compiler: s390-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d5e20bfa0b77b44cff86afe65fda85e3eb6b3582 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): fs/compat_ioctl.c: In function '__do_compat_sys_ioctl': fs/compat_ioctl.c:1056:2: error: case label not within a switch statement case FICLONE: ^~~~ fs/compat_ioctl.c:1057:2: error: case label not within a switch statement case FICLONERANGE: ^~~~ fs/compat_ioctl.c:1058:2: error: case label not within a switch statement case FIDEDUPERANGE: ^~~~ fs/compat_ioctl.c:1059:2: error: case label not within a switch statement case FS_IOC_FIEMAP: ^~~~ fs/compat_ioctl.c:1062:2: error: case label not within a switch statement case FIBMAP: ^~~~ fs/compat_ioctl.c:1063:2: error: case label not within a switch statement case FIGETBSZ: ^~~~ fs/compat_ioctl.c:1064:2: error: case label not within a switch statement case FIONREAD: ^~~~ fs/compat_ioctl.c:1066:4: error: break statement not within loop or switch break; ^~~~~ fs/compat_ioctl.c:1069:2: error: 'default' label not within a switch statement default: ^~~~~~~ fs/compat_ioctl.c:1078:3: error: break statement not within loop or switch break; ^~~~~ fs/compat_ioctl.c:1077:4: error: label 'do_ioctl' used but not defined goto do_ioctl; ^~~~ fs/compat_ioctl.c:1073:5: error: label 'out_fput' used but not defined goto out_fput; ^~~~ fs/compat_ioctl.c:1005:3: error: label 'out' used but not defined goto out; ^~~~ fs/compat_ioctl.c:1079:2: warning: no return statement in function returning non-void [-Wreturn-type] } ^ fs/compat_ioctl.c: At top level: fs/compat_ioctl.c:1081:2: error: expected identifier or '(' before 'if' if (compat_ioctl_check_table(XFORM(cmd))) ^~ fs/compat_ioctl.c:1084:2: warning: data definition has no type or storage class error = do_ioctl_trans(cmd, arg, f.file); ^~~~~ fs/compat_ioctl.c:1084:2: error: type defaults to 'int' in declaration of 'error' [-Werror=implicit-int] >> fs/compat_ioctl.c:1084:25: error: 'cmd' undeclared here (not in a function); did you mean 'cma'? error = do_ioctl_trans(cmd, arg, f.file); ^~~ cma fs/compat_ioctl.c:1084:30: error: 'arg' undeclared here (not in a function) error = do_ioctl_trans(cmd, arg, f.file); ^~~ fs/compat_ioctl.c:1084:35: error: 'f' undeclared here (not in a function); did you mean 'fd'? error = do_ioctl_trans(cmd, arg, f.file); ^ fd fs/compat_ioctl.c:1085:2: error: expected identifier or '(' before 'if' if (error == -ENOIOCTLCMD) ^~ fs/compat_ioctl.c:1088:2: error: expected identifier or '(' before 'goto' goto out_fput; ^~~~ fs/compat_ioctl.c:1090:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token found_handler: ^ fs/compat_ioctl.c:1092:10: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token do_ioctl: ^ fs/compat_ioctl.c:1094:10: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token out_fput: ^ fs/compat_ioctl.c:1096:5: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token out: ^ fs/compat_ioctl.c:1098:1: error: expected identifier or '(' before '}' token } ^ fs/compat_ioctl.c:976:12: warning: 'compat_ioctl_check_table' defined but not used [-Wunused-function] static int compat_ioctl_check_table(unsigned int xcmd) ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1084 fs/compat_ioctl.c 3e63cbb1efca7d Ankit Jain 2009-06-19 1055 d79bdd52d8be70 Darrick J. Wong 2015-12-19 1056 case FICLONE: d79bdd52d8be70 Darrick J. Wong 2015-12-19 1057 case FICLONERANGE: 54dbc151723756 Darrick J. Wong 2015-12-19 1058 case FIDEDUPERANGE: ceac204e1da942 Josef Bacik 2017-09-29 1059 case FS_IOC_FIEMAP: d79bdd52d8be70 Darrick J. Wong 2015-12-19 1060 goto do_ioctl; d79bdd52d8be70 Darrick J. Wong 2015-12-19 1061 6272e2667965df Christoph Hellwig 2007-05-08 1062 case FIBMAP: 6272e2667965df Christoph Hellwig 2007-05-08 1063 case FIGETBSZ: 6272e2667965df Christoph Hellwig 2007-05-08 1064 case FIONREAD: 496ad9aa8ef448 Al Viro 2013-01-23 1065 if (S_ISREG(file_inode(f.file)->i_mode)) 6272e2667965df Christoph Hellwig 2007-05-08 1066 break; 6272e2667965df Christoph Hellwig 2007-05-08 1067 /*FALL THROUGH*/ 6272e2667965df Christoph Hellwig 2007-05-08 1068 6272e2667965df Christoph Hellwig 2007-05-08 1069 default: 72c2d531920048 Al Viro 2013-09-22 1070 if (f.file->f_op->compat_ioctl) { 2903ff019b346a Al Viro 2012-08-28 1071 error = f.file->f_op->compat_ioctl(f.file, cmd, arg); 6272e2667965df Christoph Hellwig 2007-05-08 1072 if (error != -ENOIOCTLCMD) 6272e2667965df Christoph Hellwig 2007-05-08 1073 goto out_fput; 6272e2667965df Christoph Hellwig 2007-05-08 1074 } 6272e2667965df Christoph Hellwig 2007-05-08 1075 72c2d531920048 Al Viro 2013-09-22 1076 if (!f.file->f_op->unlocked_ioctl) 6272e2667965df Christoph Hellwig 2007-05-08 1077 goto do_ioctl; 6272e2667965df Christoph Hellwig 2007-05-08 1078 break; 6272e2667965df Christoph Hellwig 2007-05-08 1079 } 6272e2667965df Christoph Hellwig 2007-05-08 1080 661f627da98c06 Arnd Bergmann 2009-11-05 @1081 if (compat_ioctl_check_table(XFORM(cmd))) 6272e2667965df Christoph Hellwig 2007-05-08 1082 goto found_handler; 6272e2667965df Christoph Hellwig 2007-05-08 1083 66cf191f3eae45 Al Viro 2016-01-07 @1084 error = do_ioctl_trans(cmd, arg, f.file); 07d106d0a33d60 Linus Torvalds 2012-01-05 1085 if (error == -ENOIOCTLCMD) 07d106d0a33d60 Linus Torvalds 2012-01-05 1086 error = -ENOTTY; 6272e2667965df Christoph Hellwig 2007-05-08 1087 6272e2667965df Christoph Hellwig 2007-05-08 1088 goto out_fput; 6272e2667965df Christoph Hellwig 2007-05-08 1089 6272e2667965df Christoph Hellwig 2007-05-08 1090 found_handler: 789f0f89118a80 Arnd Bergmann 2009-11-05 1091 arg = (unsigned long)compat_ptr(arg); 6272e2667965df Christoph Hellwig 2007-05-08 1092 do_ioctl: 2903ff019b346a Al Viro 2012-08-28 1093 error = do_vfs_ioctl(f.file, fd, cmd, arg); 6272e2667965df Christoph Hellwig 2007-05-08 1094 out_fput: 2903ff019b346a Al Viro 2012-08-28 1095 fdput(f); 6272e2667965df Christoph Hellwig 2007-05-08 1096 out: 6272e2667965df Christoph Hellwig 2007-05-08 1097 return error; 6272e2667965df Christoph Hellwig 2007-05-08 1098 } 6272e2667965df Christoph Hellwig 2007-05-08 1099 :::::: The code at line 1084 was first introduced by commit :::::: 66cf191f3eae4582a83cb4251b75b43bee95a999 compat_ioctl: don't pass fd around when not needed :::::: TO: Al Viro <viro@xxxxxxxxxxxxxxxxxx> :::::: CC: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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