170 	struct key *key;  in SYSCALL_DEFINE4()  local
219 	key = request_key_and_link(ktype, description, callout_info,  in SYSCALL_DEFINE4()
222 	if (IS_ERR(key)) {  in SYSCALL_DEFINE4()
223 		ret = PTR_ERR(key);  in SYSCALL_DEFINE4()
228 	ret = wait_for_key_construction(key, 1);  in SYSCALL_DEFINE4()
232 	ret = key->serial;  in SYSCALL_DEFINE4()
235  	key_put(key);  in SYSCALL_DEFINE4()
565 	struct key *key, *instkey;  in keyctl_describe_key()  local
592 	key = key_ref_to_ptr(key_ref);  in keyctl_describe_key()
593 	desclen = strlen(key->description);  in keyctl_describe_key()
599 			    key->type->name,  in keyctl_describe_key()
600 			    from_kuid_munged(current_user_ns(), key->uid),  in keyctl_describe_key()
601 			    from_kgid_munged(current_user_ns(), key->gid),  in keyctl_describe_key()
602 			    key->perm);  in keyctl_describe_key()
611 		    copy_to_user(buffer + infolen, key->description,  in keyctl_describe_key()
729 	struct key *key;  in keyctl_read_key()  local
740 	key = key_ref_to_ptr(key_ref);  in keyctl_read_key()
761 	if (key->type->read) {  in keyctl_read_key()
765 		down_read(&key->sem);  in keyctl_read_key()
766 		ret = key_validate(key);  in keyctl_read_key()
768 			ret = key->type->read(key, buffer, buflen);  in keyctl_read_key()
769 		up_read(&key->sem);  in keyctl_read_key()
773 	key_put(key);  in keyctl_read_key()
796 	struct key *key;  in keyctl_chown_key()  local
821 	key = key_ref_to_ptr(key_ref);  in keyctl_chown_key()
825 	down_write(&key->sem);  in keyctl_chown_key()
829 		if (user != (uid_t) -1 && !uid_eq(key->uid, uid))  in keyctl_chown_key()
834 		if (group != (gid_t) -1 && !gid_eq(gid, key->gid) && !in_group_p(gid))  in keyctl_chown_key()
839 	if (user != (uid_t) -1 && !uid_eq(uid, key->uid)) {  in keyctl_chown_key()
846 		if (test_bit(KEY_FLAG_IN_QUOTA, &key->flags)) {  in keyctl_chown_key()
854 			    newowner->qnbytes + key->quotalen >= maxbytes ||  in keyctl_chown_key()
855 			    newowner->qnbytes + key->quotalen <  in keyctl_chown_key()
860 			newowner->qnbytes += key->quotalen;  in keyctl_chown_key()
863 			spin_lock(&key->user->lock);  in keyctl_chown_key()
864 			key->user->qnkeys--;  in keyctl_chown_key()
865 			key->user->qnbytes -= key->quotalen;  in keyctl_chown_key()
866 			spin_unlock(&key->user->lock);  in keyctl_chown_key()
869 		atomic_dec(&key->user->nkeys);  in keyctl_chown_key()
872 		if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags)) {  in keyctl_chown_key()
873 			atomic_dec(&key->user->nikeys);  in keyctl_chown_key()
877 		zapowner = key->user;  in keyctl_chown_key()
878 		key->user = newowner;  in keyctl_chown_key()
879 		key->uid = uid;  in keyctl_chown_key()
884 		key->gid = gid;  in keyctl_chown_key()
889 	up_write(&key->sem);  in keyctl_chown_key()
890 	key_put(key);  in keyctl_chown_key()
912 	struct key *key;  in keyctl_setperm_key()  local
927 	key = key_ref_to_ptr(key_ref);  in keyctl_setperm_key()
931 	down_write(&key->sem);  in keyctl_setperm_key()
934 	if (capable(CAP_SYS_ADMIN) || uid_eq(key->uid, current_fsuid())) {  in keyctl_setperm_key()
935 		key->perm = perm;  in keyctl_setperm_key()
939 	up_write(&key->sem);  in keyctl_setperm_key()
940 	key_put(key);  in keyctl_setperm_key()
951 				      struct key **_dest_keyring)  in get_instantiation_keyring()
986 static int keyctl_change_reqkey_auth(struct key *key)  in keyctl_change_reqkey_auth()  argument
995 	new->request_key_auth = key_get(key);  in keyctl_change_reqkey_auth()
1015 	struct key *instkey, *dest_keyring;  in keyctl_instantiate_key_common()
1182 	struct key *instkey, *dest_keyring;  in keyctl_reject_key()
1302 	struct key *key, *instkey;  in keyctl_set_timeout()  local
1328 	key = key_ref_to_ptr(key_ref);  in keyctl_set_timeout()
1329 	key_set_timeout(key, timeout);  in keyctl_set_timeout()
1330 	key_put(key);  in keyctl_set_timeout()
1356 	struct key *authkey;  in keyctl_assume_authority()
1405 	struct key *key, *instkey;  in keyctl_get_security()  local
1427 	key = key_ref_to_ptr(key_ref);  in keyctl_get_security()
1428 	ret = security_key_getsecurity(key, &context);  in keyctl_get_security()