55 static int check_dev_ioctl_version(int cmd, struct autofs_dev_ioctl *param)  in check_dev_ioctl_version()  argument
59 	if ((param->ver_major != AUTOFS_DEV_IOCTL_VERSION_MAJOR) ||  in check_dev_ioctl_version()
60 	    (param->ver_minor > AUTOFS_DEV_IOCTL_VERSION_MINOR)) {  in check_dev_ioctl_version()
65 			param->ver_major, param->ver_minor, cmd);  in check_dev_ioctl_version()
70 	param->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR;  in check_dev_ioctl_version()
71 	param->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR;  in check_dev_ioctl_version()
101 static inline void free_dev_ioctl(struct autofs_dev_ioctl *param)  in free_dev_ioctl()  argument
103 	kfree(param);  in free_dev_ioctl()
110 static int validate_dev_ioctl(int cmd, struct autofs_dev_ioctl *param)  in validate_dev_ioctl()  argument
114 	err = check_dev_ioctl_version(cmd, param);  in validate_dev_ioctl()
121 	if (param->size > AUTOFS_DEV_IOCTL_SIZE) {  in validate_dev_ioctl()
122 		err = invalid_str(param->path, param->size - AUTOFS_DEV_IOCTL_SIZE);  in validate_dev_ioctl()
130 		err = check_name(param->path);  in validate_dev_ioctl()
155 				    struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_version()  argument
158 	param->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR;  in autofs_dev_ioctl_version()
159 	param->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR;  in autofs_dev_ioctl_version()
166 				     struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_protover()  argument
168 	param->protover.version = sbi->version;  in autofs_dev_ioctl_protover()
175 					struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_protosubver()  argument
177 	param->protosubver.sub_version = sbi->sub_version;  in autofs_dev_ioctl_protosubver()
259 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_openmount()  argument
267 	if (!param->openmount.devid)  in autofs_dev_ioctl_openmount()
270 	param->ioctlfd = -1;  in autofs_dev_ioctl_openmount()
272 	path = param->path;  in autofs_dev_ioctl_openmount()
273 	devid = new_decode_dev(param->openmount.devid);  in autofs_dev_ioctl_openmount()
282 	param->ioctlfd = fd;  in autofs_dev_ioctl_openmount()
290 				       struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_closemount()  argument
292 	return ksys_close(param->ioctlfd);  in autofs_dev_ioctl_closemount()
301 				  struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_ready()  argument
305 	token = (autofs_wqt_t) param->ready.token;  in autofs_dev_ioctl_ready()
315 				 struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_fail()  argument
320 	token = (autofs_wqt_t) param->fail.token;  in autofs_dev_ioctl_fail()
321 	status = param->fail.status < 0 ? param->fail.status : -ENOENT;  in autofs_dev_ioctl_fail()
339 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_setpipefd()  argument
345 	if (param->setpipefd.pipefd == -1)  in autofs_dev_ioctl_setpipefd()
348 	pipefd = param->setpipefd.pipefd;  in autofs_dev_ioctl_setpipefd()
392 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_catatonic()  argument
401 				    struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_timeout()  argument
405 	timeout = param->timeout.timeout;  in autofs_dev_ioctl_timeout()
406 	param->timeout.timeout = sbi->exp_timeout / HZ;  in autofs_dev_ioctl_timeout()
421 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_requester()  argument
432 	param->requester.uid = param->requester.gid = -1;  in autofs_dev_ioctl_requester()
434 	err = find_autofs_mount(param->path, &path, test_by_dev, &devid);  in autofs_dev_ioctl_requester()
443 		param->requester.uid =  in autofs_dev_ioctl_requester()
445 		param->requester.gid =  in autofs_dev_ioctl_requester()
460 				   struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_expire()  argument
465 	how = param->expire.how;  in autofs_dev_ioctl_expire()
474 				      struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_askumount()  argument
476 	param->askumount.may_umount = 0;  in autofs_dev_ioctl_askumount()
478 		param->askumount.may_umount = 1;  in autofs_dev_ioctl_askumount()
505 					 struct autofs_dev_ioctl *param)  in autofs_dev_ioctl_ismountpoint()  argument
515 	name = param->path;  in autofs_dev_ioctl_ismountpoint()
516 	type = param->ismountpoint.in.type;  in autofs_dev_ioctl_ismountpoint()
518 	param->ismountpoint.out.devid = devid = 0;  in autofs_dev_ioctl_ismountpoint()
519 	param->ismountpoint.out.magic = magic = 0;  in autofs_dev_ioctl_ismountpoint()
521 	if (!fp || param->ioctlfd == -1) {  in autofs_dev_ioctl_ismountpoint()
551 	param->ismountpoint.out.devid = devid;  in autofs_dev_ioctl_ismountpoint()
552 	param->ismountpoint.out.magic = magic;  in autofs_dev_ioctl_ismountpoint()
595 	struct autofs_dev_ioctl *param;  in _autofs_dev_ioctl()  local
619 	param = copy_dev_ioctl(user);  in _autofs_dev_ioctl()
620 	if (IS_ERR(param))  in _autofs_dev_ioctl()
621 		return PTR_ERR(param);  in _autofs_dev_ioctl()
623 	err = validate_dev_ioctl(command, param);  in _autofs_dev_ioctl()
648 		fp = fget(param->ioctlfd);  in _autofs_dev_ioctl()
676 	err = fn(fp, sbi, param);  in _autofs_dev_ioctl()
680 	if (err >= 0 && copy_to_user(user, param, AUTOFS_DEV_IOCTL_SIZE))  in _autofs_dev_ioctl()
683 	free_dev_ioctl(param);  in _autofs_dev_ioctl()