55 static inline long __must_check PTR_ERR(__force const void *ptr)  in PTR_ERR()  argument
57 	return (long) ptr;  in PTR_ERR()
61 #define PTR_ERR_PCPU(ptr) (PTR_ERR((const void *)(__force const unsigned long)(ptr)))  argument
68 static inline bool __must_check IS_ERR(__force const void *ptr)  in IS_ERR()  argument
70 	return IS_ERR_VALUE((unsigned long)ptr);  in IS_ERR()
74 #define IS_ERR_PCPU(ptr) (IS_ERR((const void *)(__force const unsigned long)(ptr)))  argument
82 static inline bool __must_check IS_ERR_OR_NULL(__force const void *ptr)  in IS_ERR_OR_NULL()  argument
84 	return unlikely(!ptr) || IS_ERR_VALUE((unsigned long)ptr);  in IS_ERR_OR_NULL()
94 static inline void * __must_check ERR_CAST(__force const void *ptr)  in ERR_CAST()  argument
97 	return (void *) ptr;  in ERR_CAST()
117 static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr)  in PTR_ERR_OR_ZERO()  argument
119 	if (IS_ERR(ptr))  in PTR_ERR_OR_ZERO()
120 		return PTR_ERR(ptr);  in PTR_ERR_OR_ZERO()