23 struct cred;
87 extern void set_groups(struct cred *, struct group_info *);
118 struct cred {  struct
157 extern void __put_cred(struct cred *);  argument
160 extern const struct cred *get_task_cred(struct task_struct *);
161 extern struct cred *cred_alloc_blank(void);
162 extern struct cred *prepare_creds(void);
163 extern struct cred *prepare_exec_creds(void);
164 extern int commit_creds(struct cred *);
165 extern void abort_creds(struct cred *);
166 extern const struct cred *override_creds(const struct cred *);
167 extern void revert_creds(const struct cred *);
168 extern struct cred *prepare_kernel_cred(struct task_struct *);
169 extern int change_create_files_as(struct cred *, struct inode *);
170 extern int set_security_override(struct cred *, u32);
171 extern int set_security_override_from_ctx(struct cred *, const char *);
172 extern int set_create_files_as(struct cred *, struct inode *);
179 extern void __invalid_creds(const struct cred *, const char *, unsigned);
183 extern bool creds_are_invalid(const struct cred *cred);
185 static inline void __validate_creds(const struct cred *cred,  in __validate_creds()  argument
188 	if (unlikely(creds_are_invalid(cred)))  in __validate_creds()
189 		__invalid_creds(cred, file, line);  in __validate_creds()
192 #define validate_creds(cred)				\  argument
194 	__validate_creds((cred), __FILE__, __LINE__);	\
204 static inline void validate_creds(const struct cred *cred)  in validate_creds()  argument
222 static inline struct cred *get_new_cred(struct cred *cred)  in get_new_cred()  argument
224 	atomic_inc(&cred->usage);  in get_new_cred()
225 	return cred;  in get_new_cred()
241 static inline const struct cred *get_cred(const struct cred *cred)  in get_cred()  argument
243 	struct cred *nonconst_cred = (struct cred *) cred;  in get_cred()
244 	validate_creds(cred);  in get_cred()
259 static inline void put_cred(const struct cred *_cred)  in put_cred()
261 	struct cred *cred = (struct cred *) _cred;  in put_cred()  local
263 	validate_creds(cred);  in put_cred()
264 	if (atomic_dec_and_test(&(cred)->usage))  in put_cred()
265 		__put_cred(cred);  in put_cred()
275 	rcu_dereference_protected(current->cred, 1)
318 	const struct cred *__cred;			\
333 	const struct cred *__cred;			\
341 	__typeof__(((struct cred *)NULL)->xxx) ___val;	\
378 	const struct cred *__cred;		\
386 	const struct cred *__cred;		\
394 	const struct cred *__cred;		\