138 		err = invalid_str(param->path, param->size - sizeof(*param));  in validate_dev_ioctl()
146 		err = check_name(param->path);  in validate_dev_ioctl()
195 			     struct path *res,  in find_autofs_mount()
196 			     int test(struct path *path, void *data),  in find_autofs_mount()  argument
199 	struct path path;  in find_autofs_mount()  local
200 	int err = kern_path_mountpoint(AT_FDCWD, pathname, &path, 0);  in find_autofs_mount()
204 	while (path.dentry == path.mnt->mnt_root) {  in find_autofs_mount()
205 		if (path.dentry->d_sb->s_magic == AUTOFS_SUPER_MAGIC) {  in find_autofs_mount()
206 			if (test(&path, data)) {  in find_autofs_mount()
207 				path_get(&path);  in find_autofs_mount()
208 				*res = path;  in find_autofs_mount()
213 		if (!follow_up(&path))  in find_autofs_mount()
216 	path_put(&path);  in find_autofs_mount()
220 static int test_by_dev(struct path *path, void *p)  in test_by_dev()  argument
222 	return path->dentry->d_sb->s_dev == *(dev_t *)p;  in test_by_dev()
225 static int test_by_type(struct path *path, void *p)  in test_by_type()  argument
227 	struct autofs_info *ino = autofs4_dentry_ino(path->dentry);  in test_by_type()
242 		struct path path;  in autofs_dev_ioctl_open_mountpoint()  local
244 		err = find_autofs_mount(name, &path, test_by_dev, &devid);  in autofs_dev_ioctl_open_mountpoint()
253 		filp = dentry_open(&path, O_RDONLY, current_cred());  in autofs_dev_ioctl_open_mountpoint()
254 		path_put(&path);  in autofs_dev_ioctl_open_mountpoint()
275 	const char *path;  in autofs_dev_ioctl_openmount()  local
285 	path = param->path;  in autofs_dev_ioctl_openmount()
289 	fd = autofs_dev_ioctl_open_mountpoint(path, devid);  in autofs_dev_ioctl_openmount()
437 	struct path path;  in autofs_dev_ioctl_requester()  local
450 	err = find_autofs_mount(param->path, &path, test_by_dev, &devid);  in autofs_dev_ioctl_requester()
454 	ino = autofs4_dentry_ino(path.dentry);  in autofs_dev_ioctl_requester()
457 		autofs4_expire_wait(path.dentry, 0);  in autofs_dev_ioctl_requester()
463 	path_put(&path);  in autofs_dev_ioctl_requester()
521 	struct path path;  in autofs_dev_ioctl_ismountpoint()  local
532 	name = param->path;  in autofs_dev_ioctl_ismountpoint()
541 						   name, &path, LOOKUP_FOLLOW);  in autofs_dev_ioctl_ismountpoint()
543 			err = find_autofs_mount(name, &path,  in autofs_dev_ioctl_ismountpoint()
547 		devid = new_encode_dev(path.dentry->d_sb->s_dev);  in autofs_dev_ioctl_ismountpoint()
549 		if (path.mnt->mnt_root == path.dentry) {  in autofs_dev_ioctl_ismountpoint()
551 			magic = path.dentry->d_sb->s_magic;  in autofs_dev_ioctl_ismountpoint()
556 		err = find_autofs_mount(name, &path, test_by_dev, &dev);  in autofs_dev_ioctl_ismountpoint()
562 		err = have_submounts(path.dentry);  in autofs_dev_ioctl_ismountpoint()
564 		if (follow_down_one(&path))  in autofs_dev_ioctl_ismountpoint()
565 			magic = path.dentry->d_sb->s_magic;  in autofs_dev_ioctl_ismountpoint()
570 	path_put(&path);  in autofs_dev_ioctl_ismountpoint()