On Fri, Nov 17, 2017 at 09:15:46AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: cf9b0772f2e410645fece13b749bd56505b998b8 > commit: 7c8d469877b16d2c1cecf101a0abb7b218db85bc debugfs: add support for > more elaborate ->d_fsdata > date: 9 days ago > config: x86_64-randconfig-s1-11170747 (attached as .config) > compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 > reproduce: > git checkout 7c8d469877b16d2c1cecf101a0abb7b218db85bc > # save the attached .config to linux build tree > make ARCH=x86_64 > > All error/warnings (new ones prefixed by >>): > > In file included from include/linux/list.h:8:0, > from include/linux/wait.h:6, > from include/linux/wait_bit.h:7, > from include/linux/fs.h:5, > from drivers/net/wireless/broadcom/b43legacy/debugfs.c:26: > drivers/net/wireless/broadcom/b43legacy/debugfs.c: In function > 'b43legacy_debugfs_read': > >> drivers/net/wireless/broadcom/b43legacy/debugfs.c:224:23: error: implicit > >> declaration of function 'debugfs_real_fops' > >> [-Werror=implicit-function-declaration] > dfops = container_of(debugfs_real_fops(file), > ^ > include/linux/kernel.h:927:26: note: in definition of macro 'container_of' > void *__mptr = (void *)(ptr); \ > ^~~ > include/linux/kernel.h:927:17: warning: cast to pointer from integer of > different size [-Wint-to-pointer-cast] > void *__mptr = (void *)(ptr); \ > ^ > >> drivers/net/wireless/broadcom/b43legacy/debugfs.c:224:10: note: in > >> expansion of macro 'container_of' > dfops = container_of(debugfs_real_fops(file), > ^~~~~~~~~~~~ > In file included from include/linux/linkage.h:4:0, > from include/linux/fs.h:4, > from drivers/net/wireless/broadcom/b43legacy/debugfs.c:26: > include/linux/kernel.h:928:32: error: invalid type argument of unary '*' > (have 'int') > BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ > ^~~~~~ > include/linux/compiler.h:553:19: note: in definition of macro > '__compiletime_assert' > bool __cond = !(condition); \ > ^~~~~~~~~ > include/linux/compiler.h:576:2: note: in expansion of macro > '_compiletime_assert' > _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) > ^~~~~~~~~~~~~~~~~~~ > include/linux/build_bug.h:46:37: note: in expansion of macro > 'compiletime_assert' > #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) > ^~~~~~~~~~~~~~~~~~ > include/linux/kernel.h:928:2: note: in expansion of macro > 'BUILD_BUG_ON_MSG' > BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ > ^~~~~~~~~~~~~~~~ > include/linux/kernel.h:928:20: note: in expansion of macro '__same_type' > BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ > ^~~~~~~~~~~ > >> drivers/net/wireless/broadcom/b43legacy/debugfs.c:224:10: note: in > >> expansion of macro 'container_of' > dfops = container_of(debugfs_real_fops(file), > ^~~~~~~~~~~~ > include/linux/kernel.h:929:18: error: invalid type argument of unary '*' > (have 'int') > !__same_type(*(ptr), void), \ > ^~~~~~ > include/linux/compiler.h:553:19: note: in definition of macro > '__compiletime_assert' > bool __cond = !(condition); \ > ^~~~~~~~~ > include/linux/compiler.h:576:2: note: in expansion of macro > '_compiletime_assert' > _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) > ^~~~~~~~~~~~~~~~~~~ > include/linux/build_bug.h:46:37: note: in expansion of macro > 'compiletime_assert' > #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) > ^~~~~~~~~~~~~~~~~~ > include/linux/kernel.h:928:2: note: in expansion of macro > 'BUILD_BUG_ON_MSG' > BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ > ^~~~~~~~~~~~~~~~ > include/linux/kernel.h:929:6: note: in expansion of macro '__same_type' > !__same_type(*(ptr), void), \ > ^~~~~~~~~~~ > >> drivers/net/wireless/broadcom/b43legacy/debugfs.c:224:10: note: in > >> expansion of macro 'container_of' > dfops = container_of(debugfs_real_fops(file), > ^~~~~~~~~~~~ > In file included from include/linux/list.h:8:0, > from include/linux/wait.h:6, > from include/linux/wait_bit.h:7, > from include/linux/fs.h:5, > from drivers/net/wireless/broadcom/b43legacy/debugfs.c:26: > drivers/net/wireless/broadcom/b43legacy/debugfs.c: In function > 'b43legacy_debugfs_write': > include/linux/kernel.h:927:17: warning: cast to pointer from integer of > different size [-Wint-to-pointer-cast] > void *__mptr = (void *)(ptr); \ > ^ > drivers/net/wireless/broadcom/b43legacy/debugfs.c:291:10: note: in > expansion of macro 'container_of' > dfops = container_of(debugfs_real_fops(file), > ^~~~~~~~~~~~ > In file included from include/linux/linkage.h:4:0, > from include/linux/fs.h:4, > from drivers/net/wireless/broadcom/b43legacy/debugfs.c:26: > include/linux/kernel.h:928:32: error: invalid type argument of unary '*' > (have 'int') > BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ > ^~~~~~ > include/linux/compiler.h:553:19: note: in definition of macro > '__compiletime_assert' > bool __cond = !(condition); \ > ^~~~~~~~~ > include/linux/compiler.h:576:2: note: in expansion of macro > '_compiletime_assert' > _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) > ^~~~~~~~~~~~~~~~~~~ > include/linux/build_bug.h:46:37: note: in expansion of macro > 'compiletime_assert' > #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) > ^~~~~~~~~~~~~~~~~~ > include/linux/kernel.h:928:2: note: in expansion of macro > 'BUILD_BUG_ON_MSG' > BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ > ^~~~~~~~~~~~~~~~ > include/linux/kernel.h:928:20: note: in expansion of macro '__same_type' > BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ > ^~~~~~~~~~~ > drivers/net/wireless/broadcom/b43legacy/debugfs.c:291:10: note: in > expansion of macro 'container_of' > dfops = container_of(debugfs_real_fops(file), > ^~~~~~~~~~~~ > include/linux/kernel.h:929:18: error: invalid type argument of unary '*' > (have 'int') > !__same_type(*(ptr), void), \ > ^~~~~~ > include/linux/compiler.h:553:19: note: in definition of macro > '__compiletime_assert' > bool __cond = !(condition); \ > ^~~~~~~~~ > include/linux/compiler.h:576:2: note: in expansion of macro > '_compiletime_assert' > _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) > ^~~~~~~~~~~~~~~~~~~ > include/linux/build_bug.h:46:37: note: in expansion of macro > 'compiletime_assert' > #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) > ^~~~~~~~~~~~~~~~~~ > include/linux/kernel.h:928:2: note: in expansion of macro > 'BUILD_BUG_ON_MSG' > BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ > ^~~~~~~~~~~~~~~~ > include/linux/kernel.h:929:6: note: in expansion of macro '__same_type' > !__same_type(*(ptr), void), \ > ^~~~~~~~~~~ > drivers/net/wireless/broadcom/b43legacy/debugfs.c:291:10: note: in > expansion of macro 'container_of' > dfops = container_of(debugfs_real_fops(file), > ^~~~~~~~~~~~ > cc1: some warnings being treated as errors > > vim +/debugfs_real_fops +224 drivers/net/wireless/broadcom/b43legacy/debugfs.c
Arnd has sent me a patch to fix this, but I need to wait for Linus to take my latest pull request before I can queue it up... thanks, greg k-h

