47 	const struct cred *cred;  in install_user_keyrings()  local
55 	cred = current_cred();  in install_user_keyrings()
56 	user = cred->user;  in install_user_keyrings()
57 	uid = from_kuid(cred->user_ns, user->uid);  in install_user_keyrings()
79 						    cred, user_keyring_perm,  in install_user_keyrings()
97 					      cred, user_keyring_perm,  in install_user_keyrings()
138 int install_thread_keyring_to_cred(struct cred *new)  in install_thread_keyring_to_cred()
163 	struct cred *new;  in install_thread_keyring()
185 int install_process_keyring_to_cred(struct cred *new)  in install_process_keyring_to_cred()
210 	struct cred *new;  in install_process_keyring()
233 int install_session_keyring_to_cred(struct cred *cred, struct key *keyring)  in install_session_keyring_to_cred()  argument
243 		if (cred->session_keyring)  in install_session_keyring_to_cred()
246 		keyring = keyring_alloc("_ses", cred->uid, cred->gid, cred,  in install_session_keyring_to_cred()
256 	old = cred->session_keyring;  in install_session_keyring_to_cred()
257 	rcu_assign_pointer(cred->session_keyring, keyring);  in install_session_keyring_to_cred()
274 	struct cred *new;  in install_session_keyring()
296 	BUG_ON(!tsk->cred);  in key_fsuid_changed()
297 	if (tsk->cred->thread_keyring) {  in key_fsuid_changed()
298 		down_write(&tsk->cred->thread_keyring->sem);  in key_fsuid_changed()
299 		tsk->cred->thread_keyring->uid = tsk->cred->fsuid;  in key_fsuid_changed()
300 		up_write(&tsk->cred->thread_keyring->sem);  in key_fsuid_changed()
310 	BUG_ON(!tsk->cred);  in key_fsgid_changed()
311 	if (tsk->cred->thread_keyring) {  in key_fsgid_changed()
312 		down_write(&tsk->cred->thread_keyring->sem);  in key_fsgid_changed()
313 		tsk->cred->thread_keyring->gid = tsk->cred->fsgid;  in key_fsgid_changed()
314 		up_write(&tsk->cred->thread_keyring->sem);  in key_fsgid_changed()
355 	if (ctx->cred->thread_keyring) {  in search_my_process_keyrings()
357 			make_key_ref(ctx->cred->thread_keyring, 1), ctx);  in search_my_process_keyrings()
373 	if (ctx->cred->process_keyring) {  in search_my_process_keyrings()
375 			make_key_ref(ctx->cred->process_keyring, 1), ctx);  in search_my_process_keyrings()
393 	if (ctx->cred->session_keyring) {  in search_my_process_keyrings()
396 			make_key_ref(rcu_dereference(ctx->cred->session_keyring), 1),  in search_my_process_keyrings()
416 	else if (ctx->cred->user->session_keyring) {  in search_my_process_keyrings()
418 			make_key_ref(ctx->cred->user->session_keyring, 1),  in search_my_process_keyrings()
467 	if (ctx->cred->request_key_auth &&  in search_process_keyrings()
468 	    ctx->cred == current_cred() &&  in search_process_keyrings()
471 		const struct cred *cred = ctx->cred;  in search_process_keyrings()  local
474 		down_read(&cred->request_key_auth->sem);  in search_process_keyrings()
476 		if (key_validate(ctx->cred->request_key_auth) == 0) {  in search_process_keyrings()
477 			rka = ctx->cred->request_key_auth->payload.data[0];  in search_process_keyrings()
479 			ctx->cred = rka->cred;  in search_process_keyrings()
481 			ctx->cred = cred;  in search_process_keyrings()
483 			up_read(&cred->request_key_auth->sem);  in search_process_keyrings()
490 			up_read(&cred->request_key_auth->sem);  in search_process_keyrings()
547 	ctx.cred = get_current_cred();  in lookup_user_key()
552 		if (!ctx.cred->thread_keyring) {  in lookup_user_key()
564 		key = ctx.cred->thread_keyring;  in lookup_user_key()
570 		if (!ctx.cred->process_keyring) {  in lookup_user_key()
582 		key = ctx.cred->process_keyring;  in lookup_user_key()
588 		if (!ctx.cred->session_keyring) {  in lookup_user_key()
598 					ctx.cred->user->session_keyring);  in lookup_user_key()
603 		} else if (ctx.cred->session_keyring ==  in lookup_user_key()
604 			   ctx.cred->user->session_keyring &&  in lookup_user_key()
613 		key = rcu_dereference(ctx.cred->session_keyring);  in lookup_user_key()
620 		if (!ctx.cred->user->uid_keyring) {  in lookup_user_key()
626 		key = ctx.cred->user->uid_keyring;  in lookup_user_key()
632 		if (!ctx.cred->user->session_keyring) {  in lookup_user_key()
638 		key = ctx.cred->user->session_keyring;  in lookup_user_key()
649 		key = ctx.cred->request_key_auth;  in lookup_user_key()
658 		if (!ctx.cred->request_key_auth)  in lookup_user_key()
661 		down_read(&ctx.cred->request_key_auth->sem);  in lookup_user_key()
663 			     &ctx.cred->request_key_auth->flags)) {  in lookup_user_key()
667 			rka = ctx.cred->request_key_auth->payload.data[0];  in lookup_user_key()
671 		up_read(&ctx.cred->request_key_auth->sem);  in lookup_user_key()
737 	ret = key_task_permission(key_ref, ctx.cred, perm);  in lookup_user_key()
744 	put_cred(ctx.cred);  in lookup_user_key()
755 	put_cred(ctx.cred);  in lookup_user_key()
772 	const struct cred *old;  in join_session_keyring()
773 	struct cred *new;  in join_session_keyring()
846 	const struct cred *old = current_cred();  in key_change_session_keyring()
847 	struct cred *new = container_of(twork, struct cred, rcu);  in key_change_session_keyring()