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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/err.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/err.h')
-rw-r--r--ANDROID_3.4.5/include/linux/err.h65
1 files changed, 0 insertions, 65 deletions
diff --git a/ANDROID_3.4.5/include/linux/err.h b/ANDROID_3.4.5/include/linux/err.h
deleted file mode 100644
index f2edce25..00000000
--- a/ANDROID_3.4.5/include/linux/err.h
+++ /dev/null
@@ -1,65 +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 * __must_check ERR_PTR(long error)
-{
- return (void *) error;
-}
-
-static inline long __must_check PTR_ERR(const void *ptr)
-{
- return (long) ptr;
-}
-
-static inline long __must_check IS_ERR(const void *ptr)
-{
- return IS_ERR_VALUE((unsigned long)ptr);
-}
-
-static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
-{
- return !ptr || 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 * __must_check ERR_CAST(const void *ptr)
-{
- /* cast away the const */
- return (void *) ptr;
-}
-
-static inline int __must_check PTR_RET(const void *ptr)
-{
- if (IS_ERR(ptr))
- return PTR_ERR(ptr);
- else
- return 0;
-}
-
-#endif
-
-#endif /* _LINUX_ERR_H */