20 struct cred;
66 extern void set_groups(struct cred *, struct group_info *);
111 struct cred {  struct
149 extern void __put_cred(struct cred *);  argument
152 extern const struct cred *get_task_cred(struct task_struct *);
153 extern struct cred *cred_alloc_blank(void);
154 extern struct cred *prepare_creds(void);
155 extern struct cred *prepare_exec_creds(void);
156 extern int commit_creds(struct cred *);
157 extern void abort_creds(struct cred *);
158 extern const struct cred *override_creds(const struct cred *);
159 extern void revert_creds(const struct cred *);
160 extern struct cred *prepare_kernel_cred(struct task_struct *);
161 extern int set_security_override(struct cred *, u32);
162 extern int set_security_override_from_ctx(struct cred *, const char *);
163 extern int set_create_files_as(struct cred *, struct inode *);
164 extern int cred_fscmp(const struct cred *, const struct cred *);
166 extern int set_cred_ucounts(struct cred *);
168 static inline bool cap_ambient_invariant_ok(const struct cred *cred)  in cap_ambient_invariant_ok()  argument
170 	return cap_issubset(cred->cap_ambient,  in cap_ambient_invariant_ok()
171 			    cap_intersect(cred->cap_permitted,  in cap_ambient_invariant_ok()
172 					  cred->cap_inheritable));  in cap_ambient_invariant_ok()
183 static inline struct cred *get_new_cred_many(struct cred *cred, int nr)  in get_new_cred_many()  argument
185 	atomic_long_add(nr, &cred->usage);  in get_new_cred_many()
186 	return cred;  in get_new_cred_many()
196 static inline struct cred *get_new_cred(struct cred *cred)  in get_new_cred()  argument
198 	return get_new_cred_many(cred, 1);  in get_new_cred()
215 static inline const struct cred *get_cred_many(const struct cred *cred, int nr)  in get_cred_many()  argument
217 	struct cred *nonconst_cred = (struct cred *) cred;  in get_cred_many()
218 	if (!cred)  in get_cred_many()
219 		return cred;  in get_cred_many()
233 static inline const struct cred *get_cred(const struct cred *cred)  in get_cred()  argument
235 	return get_cred_many(cred, 1);  in get_cred()
238 static inline const struct cred *get_cred_rcu(const struct cred *cred)  in get_cred_rcu()  argument
240 	struct cred *nonconst_cred = (struct cred *) cred;  in get_cred_rcu()
241 	if (!cred)  in get_cred_rcu()
246 	return cred;  in get_cred_rcu()
261 static inline void put_cred_many(const struct cred *_cred, int nr)  in put_cred_many()
263 	struct cred *cred = (struct cred *) _cred;  in put_cred_many()  local
265 	if (cred) {  in put_cred_many()
266 		if (atomic_long_sub_and_test(nr, &cred->usage))  in put_cred_many()
267 			__put_cred(cred);  in put_cred_many()
278 static inline void put_cred(const struct cred *cred)  in put_cred()  argument
280 	put_cred_many(cred, 1);  in put_cred()
290 	rcu_dereference_protected(current->cred, 1)
333 	const struct cred *__cred;			\
348 	const struct cred *__cred;			\
356 	__typeof__(((struct cred *)NULL)->xxx) ___val;	\
397 	const struct cred *__cred;		\
405 	const struct cred *__cred;		\
413 	const struct cred *__cred;		\