56 static int check_dev_ioctl_version(int cmd, struct autofs_dev_ioctl *param)  in check_dev_ioctl_version()  argument
60 	if ((param->ver_major != AUTOFS_DEV_IOCTL_VERSION_MAJOR) ||  in check_dev_ioctl_version()
61 	    (param->ver_minor > AUTOFS_DEV_IOCTL_VERSION_MINOR)) {  in check_dev_ioctl_version()
66 			param->ver_major, param->ver_minor, cmd);  in check_dev_ioctl_version()
71 	param->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR;  in check_dev_ioctl_version()
72 	param->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR;  in check_dev_ioctl_version()
102 static inline void free_dev_ioctl(struct autofs_dev_ioctl *param)  in free_dev_ioctl()  argument
104 	kfree(param);  in free_dev_ioctl()
111 static int validate_dev_ioctl(int cmd, struct autofs_dev_ioctl *param)  in validate_dev_ioctl()  argument
115 	err = check_dev_ioctl_version(cmd, param);  in validate_dev_ioctl()
122 	if (param->size > AUTOFS_DEV_IOCTL_SIZE) {  in validate_dev_ioctl()
123 		err = invalid_str(param->path, param->size - AUTOFS_DEV_IOCTL_SIZE);  in validate_dev_ioctl()
131 		err = check_name(param->path);  in validate_dev_ioctl()
156 				    struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_version()  argument
159 	param->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR;  in autofs_dev_ioctl_version()
160 	param->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR;  in autofs_dev_ioctl_version()
167 				     struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_protover()  argument
169 	param->protover.version = sbi->version;  in autofs_dev_ioctl_protover()
176 					struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_protosubver()  argument
178 	param->protosubver.sub_version = sbi->sub_version;  in autofs_dev_ioctl_protosubver()
260 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_openmount()  argument
268 	if (!param->openmount.devid)  in autofs_dev_ioctl_openmount()
271 	param->ioctlfd = -1;  in autofs_dev_ioctl_openmount()
273 	path = param->path;  in autofs_dev_ioctl_openmount()
274 	devid = new_decode_dev(param->openmount.devid);  in autofs_dev_ioctl_openmount()
283 	param->ioctlfd = fd;  in autofs_dev_ioctl_openmount()
291 				       struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_closemount()  argument
293 	return close_fd(param->ioctlfd);  in autofs_dev_ioctl_closemount()
302 				  struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_ready()  argument
306 	token = (autofs_wqt_t) param->ready.token;  in autofs_dev_ioctl_ready()
316 				 struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_fail()  argument
321 	token = (autofs_wqt_t) param->fail.token;  in autofs_dev_ioctl_fail()
322 	status = param->fail.status < 0 ? param->fail.status : -ENOENT;  in autofs_dev_ioctl_fail()
340 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_setpipefd()  argument
346 	if (param->setpipefd.pipefd == -1)  in autofs_dev_ioctl_setpipefd()
349 	pipefd = param->setpipefd.pipefd;  in autofs_dev_ioctl_setpipefd()
393 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_catatonic()  argument
402 				    struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_timeout()  argument
406 	timeout = param->timeout.timeout;  in autofs_dev_ioctl_timeout()
407 	param->timeout.timeout = sbi->exp_timeout / HZ;  in autofs_dev_ioctl_timeout()
422 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_requester()  argument
433 	param->requester.uid = param->requester.gid = -1;  in autofs_dev_ioctl_requester()
435 	err = find_autofs_mount(param->path, &path, test_by_dev, &devid);  in autofs_dev_ioctl_requester()
444 		param->requester.uid =  in autofs_dev_ioctl_requester()
446 		param->requester.gid =  in autofs_dev_ioctl_requester()
461 				   struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_expire()  argument
466 	how = param->expire.how;  in autofs_dev_ioctl_expire()
475 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_askumount()  argument
477 	param->askumount.may_umount = 0;  in autofs_dev_ioctl_askumount()
479 		param->askumount.may_umount = 1;  in autofs_dev_ioctl_askumount()
506 					 struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_ismountpoint()  argument
516 	name = param->path;  in autofs_dev_ioctl_ismountpoint()
517 	type = param->ismountpoint.in.type;  in autofs_dev_ioctl_ismountpoint()
519 	param->ismountpoint.out.devid = devid = 0;  in autofs_dev_ioctl_ismountpoint()
520 	param->ismountpoint.out.magic = magic = 0;  in autofs_dev_ioctl_ismountpoint()
522 	if (!fp || param->ioctlfd == -1) {  in autofs_dev_ioctl_ismountpoint()
552 	param->ismountpoint.out.devid = devid;  in autofs_dev_ioctl_ismountpoint()
553 	param->ismountpoint.out.magic = magic;  in autofs_dev_ioctl_ismountpoint()
596 	struct autofs_dev_ioctl *param;  in _autofs_dev_ioctl()  local
620 	param = copy_dev_ioctl(user);  in _autofs_dev_ioctl()
621 	if (IS_ERR(param))  in _autofs_dev_ioctl()
622 		return PTR_ERR(param);  in _autofs_dev_ioctl()
624 	err = validate_dev_ioctl(command, param);  in _autofs_dev_ioctl()
649 		fp = fget(param->ioctlfd);  in _autofs_dev_ioctl()
677 	err = fn(fp, sbi, param);  in _autofs_dev_ioctl()
681 	if (err >= 0 && copy_to_user(user, param, AUTOFS_DEV_IOCTL_SIZE))  in _autofs_dev_ioctl()
684 	free_dev_ioctl(param);  in _autofs_dev_ioctl()