19 struct cred;
66 extern void set_groups(struct cred *, struct group_info *);
111 struct cred {  struct
155 extern void __put_cred(struct cred *);  argument
158 extern const struct cred *get_task_cred(struct task_struct *);
159 extern struct cred *cred_alloc_blank(void);
160 extern struct cred *prepare_creds(void);
161 extern struct cred *prepare_exec_creds(void);
162 extern int commit_creds(struct cred *);
163 extern void abort_creds(struct cred *);
164 extern const struct cred *override_creds(const struct cred *);
165 extern void revert_creds(const struct cred *);
166 extern struct cred *prepare_kernel_cred(struct task_struct *);
167 extern int change_create_files_as(struct cred *, struct inode *);
168 extern int set_security_override(struct cred *, u32);
169 extern int set_security_override_from_ctx(struct cred *, const char *);
170 extern int set_create_files_as(struct cred *, struct inode *);
171 extern int cred_fscmp(const struct cred *, const struct cred *);
178 extern void __invalid_creds(const struct cred *, const char *, unsigned);
182 extern bool creds_are_invalid(const struct cred *cred);
184 static inline void __validate_creds(const struct cred *cred,  in __validate_creds()  argument
187 	if (unlikely(creds_are_invalid(cred)))  in __validate_creds()
188 		__invalid_creds(cred, file, line);  in __validate_creds()
191 #define validate_creds(cred)				\  argument
193 	__validate_creds((cred), __FILE__, __LINE__);	\
203 static inline void validate_creds(const struct cred *cred)  in validate_creds()  argument
214 static inline bool cap_ambient_invariant_ok(const struct cred *cred)  in cap_ambient_invariant_ok()  argument
216 	return cap_issubset(cred->cap_ambient,  in cap_ambient_invariant_ok()
217 			    cap_intersect(cred->cap_permitted,  in cap_ambient_invariant_ok()
218 					  cred->cap_inheritable));  in cap_ambient_invariant_ok()
228 static inline struct cred *get_new_cred(struct cred *cred)  in get_new_cred()  argument
230 	atomic_inc(&cred->usage);  in get_new_cred()
231 	return cred;  in get_new_cred()
247 static inline const struct cred *get_cred(const struct cred *cred)  in get_cred()  argument
249 	struct cred *nonconst_cred = (struct cred *) cred;  in get_cred()
250 	if (!cred)  in get_cred()
251 		return cred;  in get_cred()
252 	validate_creds(cred);  in get_cred()
257 static inline const struct cred *get_cred_rcu(const struct cred *cred)  in get_cred_rcu()  argument
259 	struct cred *nonconst_cred = (struct cred *) cred;  in get_cred_rcu()
260 	if (!cred)  in get_cred_rcu()
264 	validate_creds(cred);  in get_cred_rcu()
266 	return cred;  in get_cred_rcu()
280 static inline void put_cred(const struct cred *_cred)  in put_cred()
282 	struct cred *cred = (struct cred *) _cred;  in put_cred()  local
284 	if (cred) {  in put_cred()
285 		validate_creds(cred);  in put_cred()
286 		if (atomic_dec_and_test(&(cred)->usage))  in put_cred()
287 			__put_cred(cred);  in put_cred()
298 	rcu_dereference_protected(current->cred, 1)
341 	const struct cred *__cred;			\
356 	const struct cred *__cred;			\
364 	__typeof__(((struct cred *)NULL)->xxx) ___val;	\
403 	const struct cred *__cred;		\
411 	const struct cred *__cred;		\
419 	const struct cred *__cred;		\