summaryrefslogtreecommitdiff
path: root/libdde_linux26/contrib/include/linux/err.h
diff options
context:
space:
mode:
authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:07:53 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:07:53 +0000
commit4fbe7358c7747a9165f776eb19addbb9baf7def2 (patch)
treebc7076b4f6d10c2cc2942539bb666e50f0b66954 /libdde_linux26/contrib/include/linux/err.h
parent21adb5284111190057db245cfc2b54091920c373 (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.h52
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 */