46 	const struct cred *cred;  in install_user_keyrings()  local
54 	cred = current_cred();  in install_user_keyrings()
55 	user = cred->user;  in install_user_keyrings()
56 	uid = from_kuid(cred->user_ns, user->uid);  in install_user_keyrings()
78 						    cred, user_keyring_perm,  in install_user_keyrings()
94 					      cred, user_keyring_perm,  in install_user_keyrings()
131 int install_thread_keyring_to_cred(struct cred *new)  in install_thread_keyring_to_cred()
150 	struct cred *new;  in install_thread_keyring()
174 int install_process_keyring_to_cred(struct cred *new)  in install_process_keyring_to_cred()
200 	struct cred *new;  in install_process_keyring()
219 int install_session_keyring_to_cred(struct cred *cred, struct key *keyring)  in install_session_keyring_to_cred()  argument
229 		if (cred->session_keyring)  in install_session_keyring_to_cred()
232 		keyring = keyring_alloc("_ses", cred->uid, cred->gid, cred,  in install_session_keyring_to_cred()
242 	old = cred->session_keyring;  in install_session_keyring_to_cred()
243 	rcu_assign_pointer(cred->session_keyring, keyring);  in install_session_keyring_to_cred()
257 	struct cred *new;  in install_session_keyring()
279 	BUG_ON(!tsk->cred);  in key_fsuid_changed()
280 	if (tsk->cred->thread_keyring) {  in key_fsuid_changed()
281 		down_write(&tsk->cred->thread_keyring->sem);  in key_fsuid_changed()
282 		tsk->cred->thread_keyring->uid = tsk->cred->fsuid;  in key_fsuid_changed()
283 		up_write(&tsk->cred->thread_keyring->sem);  in key_fsuid_changed()
293 	BUG_ON(!tsk->cred);  in key_fsgid_changed()
294 	if (tsk->cred->thread_keyring) {  in key_fsgid_changed()
295 		down_write(&tsk->cred->thread_keyring->sem);  in key_fsgid_changed()
296 		tsk->cred->thread_keyring->gid = tsk->cred->fsgid;  in key_fsgid_changed()
297 		up_write(&tsk->cred->thread_keyring->sem);  in key_fsgid_changed()
338 	if (ctx->cred->thread_keyring) {  in search_my_process_keyrings()
340 			make_key_ref(ctx->cred->thread_keyring, 1), ctx);  in search_my_process_keyrings()
356 	if (ctx->cred->process_keyring) {  in search_my_process_keyrings()
358 			make_key_ref(ctx->cred->process_keyring, 1), ctx);  in search_my_process_keyrings()
376 	if (ctx->cred->session_keyring) {  in search_my_process_keyrings()
379 			make_key_ref(rcu_dereference(ctx->cred->session_keyring), 1),  in search_my_process_keyrings()
399 	else if (ctx->cred->user->session_keyring) {  in search_my_process_keyrings()
401 			make_key_ref(ctx->cred->user->session_keyring, 1),  in search_my_process_keyrings()
450 	if (ctx->cred->request_key_auth &&  in search_process_keyrings()
451 	    ctx->cred == current_cred() &&  in search_process_keyrings()
454 		const struct cred *cred = ctx->cred;  in search_process_keyrings()  local
457 		down_read(&cred->request_key_auth->sem);  in search_process_keyrings()
459 		if (key_validate(ctx->cred->request_key_auth) == 0) {  in search_process_keyrings()
460 			rka = ctx->cred->request_key_auth->payload.data;  in search_process_keyrings()
462 			ctx->cred = rka->cred;  in search_process_keyrings()
464 			ctx->cred = cred;  in search_process_keyrings()
466 			up_read(&cred->request_key_auth->sem);  in search_process_keyrings()
473 			up_read(&cred->request_key_auth->sem);  in search_process_keyrings()
530 	ctx.cred = get_current_cred();  in lookup_user_key()
535 		if (!ctx.cred->thread_keyring) {  in lookup_user_key()
547 		key = ctx.cred->thread_keyring;  in lookup_user_key()
553 		if (!ctx.cred->process_keyring) {  in lookup_user_key()
565 		key = ctx.cred->process_keyring;  in lookup_user_key()
571 		if (!ctx.cred->session_keyring) {  in lookup_user_key()
581 					ctx.cred->user->session_keyring);  in lookup_user_key()
586 		} else if (ctx.cred->session_keyring ==  in lookup_user_key()
587 			   ctx.cred->user->session_keyring &&  in lookup_user_key()
596 		key = rcu_dereference(ctx.cred->session_keyring);  in lookup_user_key()
603 		if (!ctx.cred->user->uid_keyring) {  in lookup_user_key()
609 		key = ctx.cred->user->uid_keyring;  in lookup_user_key()
615 		if (!ctx.cred->user->session_keyring) {  in lookup_user_key()
621 		key = ctx.cred->user->session_keyring;  in lookup_user_key()
632 		key = ctx.cred->request_key_auth;  in lookup_user_key()
641 		if (!ctx.cred->request_key_auth)  in lookup_user_key()
644 		down_read(&ctx.cred->request_key_auth->sem);  in lookup_user_key()
646 			     &ctx.cred->request_key_auth->flags)) {  in lookup_user_key()
650 			rka = ctx.cred->request_key_auth->payload.data;  in lookup_user_key()
654 		up_read(&ctx.cred->request_key_auth->sem);  in lookup_user_key()
720 	ret = key_task_permission(key_ref, ctx.cred, perm);  in lookup_user_key()
727 	put_cred(ctx.cred);  in lookup_user_key()
738 	put_cred(ctx.cred);  in lookup_user_key()
755 	const struct cred *old;  in join_session_keyring()
756 	struct cred *new;  in join_session_keyring()
828 	const struct cred *old = current_cred();  in key_change_session_keyring()
829 	struct cred *new = container_of(twork, struct cred, rcu);  in key_change_session_keyring()