Re: [PATCH v05 47/72] include/uapi/linux/coda.h: use __kernel_pid_t and add u_short etc definitions for userspace

From: Mikko Rapeli
Date: Tue Aug 23 2016 - 16:53:26 EST


On Tue, Aug 23, 2016 at 11:08:06AM +0800, kbuild test robot wrote:
> Hi Mikko,
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on v4.8-rc3]
> [cannot apply to next-20160822]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
> [Check https://git-scm.com/docs/git-format-patch for more information]
>
> url: https://github.com/0day-ci/linux/commits/Mikko-Rapeli/Userspace-compile-test-and-fixes-for-exported-uapi-header-files/20160823-034928
> config: x86_64-randconfig-v0-08230740 (attached as .config)
> compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All errors (new ones prefixed by >>):
>
> In file included from include/linux/coda.h:64,
> from fs/coda/psdev.c:45:
> >> include/uapi/linux/coda.h:103: error: redefinition of typedef 'u_long'
> include/linux/types.h:86: note: previous declaration of 'u_long' was here
> >> include/uapi/linux/coda.h:104: error: redefinition of typedef 'u_int'
> include/linux/types.h:85: note: previous declaration of 'u_int' was here
> >> include/uapi/linux/coda.h:105: error: redefinition of typedef 'u_short'
> include/linux/types.h:84: note: previous declaration of 'u_short' was here
> >> include/uapi/linux/coda.h:106: error: redefinition of typedef 'ino_t'
> include/linux/types.h:16: note: previous declaration of 'ino_t' was here
>
> vim +/u_long +103 include/uapi/linux/coda.h
>
> 97 #endif /* !DJGPP */
> 98
> 99
> 100 #if defined(__linux__)
> 101 #include <linux/time.h>
> 102 #define cdev_t u_quad_t
> > 103 typedef unsigned long u_long;
> > 104 typedef unsigned int u_int;
> > 105 typedef unsigned short u_short;
> > 106 typedef u_long ino_t;

Thanks! I'll move these to #ifndef __KERNEL__ side and try to detect if
they are already defined by userspace headers.

-Mikko

> 107
> 108 #ifndef __KERNEL__
> 109 typedef u_long dev_t;
>
> ---
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