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Rev 3243 Rev 4065
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static inline void * __must_check ERR_PTR(long error)
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static inline void * __must_check ERR_PTR(long error)
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{
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{
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	return (void *) error;
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	return (void *) error;
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}
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}
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static inline long __must_check PTR_ERR(const void *ptr)
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static inline long __must_check PTR_ERR(__force const void *ptr)
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{
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{
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	return (long) ptr;
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	return (long) ptr;
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}
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}
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static inline long __must_check IS_ERR(const void *ptr)
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static inline long __must_check IS_ERR(__force const void *ptr)
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{
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{
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	return IS_ERR_VALUE((unsigned long)ptr);
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	return IS_ERR_VALUE((unsigned long)ptr);
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}
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}
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static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
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static inline long __must_check IS_ERR_OR_NULL(__force const void *ptr)
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{
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{
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 * @ptr: The pointer to cast.
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 * @ptr: The pointer to cast.
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 *
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 *
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 * Explicitly cast an error-valued pointer to another pointer type in such a
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 * Explicitly cast an error-valued pointer to another pointer type in such a
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 * way as to make it clear that's what's going on.
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 * way as to make it clear that's what's going on.
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 */
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 */
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static inline void * __must_check ERR_CAST(const void *ptr)
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static inline void * __must_check ERR_CAST(__force const void *ptr)
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{
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{
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	/* cast away the const */
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	/* cast away the const */
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	return (void *) ptr;
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	return (void *) ptr;
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}
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}
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static inline int __must_check PTR_RET(const void *ptr)
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static inline int __must_check PTR_RET(__force const void *ptr)
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{
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{
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	if (IS_ERR(ptr))
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	if (IS_ERR(ptr))
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		return PTR_ERR(ptr);
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		return PTR_ERR(ptr);
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	else
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	else