diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
| commit | 4fbe7358c7747a9165f776eb19addbb9baf7def2 (patch) | |
| tree | bc7076b4f6d10c2cc2942539bb666e50f0b66954 /libdde_linux26/contrib/include/linux/err.h | |
| parent | 21adb5284111190057db245cfc2b54091920c373 (diff) | |
rename libdde_linux26 into libdde-linux26 to make dpkg-source happy
Diffstat (limited to 'libdde_linux26/contrib/include/linux/err.h')
| -rw-r--r-- | libdde_linux26/contrib/include/linux/err.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/libdde_linux26/contrib/include/linux/err.h b/libdde_linux26/contrib/include/linux/err.h deleted file mode 100644 index ec87f314..00000000 --- a/libdde_linux26/contrib/include/linux/err.h +++ /dev/null @@ -1,52 +0,0 @@ -#ifndef _LINUX_ERR_H -#define _LINUX_ERR_H - -#include <linux/compiler.h> - -#include <asm/errno.h> - -/* - * Kernel pointers have redundant information, so we can use a - * scheme where we can return either an error code or a dentry - * pointer with the same return value. - * - * This should be a per-architecture thing, to allow different - * error and pointer decisions. - */ -#define MAX_ERRNO 4095 - -#ifndef __ASSEMBLY__ - -#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO) - -static inline void *ERR_PTR(long error) -{ - return (void *) error; -} - -static inline long PTR_ERR(const void *ptr) -{ - return (long) ptr; -} - -static inline long IS_ERR(const void *ptr) -{ - return IS_ERR_VALUE((unsigned long)ptr); -} - -/** - * ERR_CAST - Explicitly cast an error-valued pointer to another pointer type - * @ptr: The pointer to cast. - * - * Explicitly cast an error-valued pointer to another pointer type in such a - * way as to make it clear that's what's going on. - */ -static inline void *ERR_CAST(const void *ptr) -{ - /* cast away the const */ - return (void *) ptr; -} - -#endif - -#endif /* _LINUX_ERR_H */ |
