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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/err.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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.h | 65 |
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 */ |