drivers/base/devtmpfs.c

49 	int err;
70 	int err;
74 	err = reconfigure_single(s, flags, data);
75 	if (err < 0) {
77 		return ERR_PTR(err);
111 	return req->err;
163 	int err;
169 	err = vfs_mkdir(&nop_mnt_idmap, d_inode(path.dentry), dentry, mode);
170 	if (!err)
174 	return err;
181 	int err = 0;
194 		err = dev_mkdir(path, 0755);
195 		if (err && err != -EEXIST)
201 	return err;
209 	int err;
219 	err = vfs_mknod(&nop_mnt_idmap, d_inode(path.dentry), dentry, mode,
221 	if (!err) {
236 	return err;
243 	int err;
250 			err = vfs_rmdir(&nop_mnt_idmap, d_inode(parent.dentry),
253 			err = -EPERM;
255 		err = -ENOENT;
260 	return err;
266 	int err = 0;
279 		err = dev_rmdir(path);
280 		if (err)
285 	return err;
314 	int err;
323 		err = vfs_getattr(&p, &stat, STATX_TYPE | STATX_MODE,
325 		if (!err && dev_mynode(dev, d_inode(dentry), &stat)) {
339 			err = vfs_unlink(&nop_mnt_idmap, d_inode(parent.dentry),
341 			if (!err || err == -ENOENT)
345 		err = -ENOENT;
353 	return err;
362 	int err;
370 	err = init_mount("devtmpfs", "dev", "devtmpfs", DEVTMPFS_MFLAGS, NULL);
371 	if (err)
372 		pr_info("error mounting %d\n", err);
375 	return err;
399 				req->err = handle(req->name, req->mode,
414 	int err;
416 	err = ksys_unshare(CLONE_NEWNS);
417 	if (err)
419 	err = init_mount("devtmpfs", "/", "devtmpfs", DEVTMPFS_MFLAGS, NULL);
420 	if (err)
425 	*(int *)p = err;
426 	return err;
436 	int err = devtmpfs_setup(p);
439 	if (err)
440 		return err;
452 	int err;
459 	err = register_filesystem(&dev_fs_type);
460 	if (err) {
461 		pr_err("unable to register devtmpfs type %d\n", err);
462 		return err;
465 	thread = kthread_run(devtmpfsd, &err, "kdevtmpfs");
469 		err = PTR_ERR(thread);
473 	if (err) {
474 		pr_err("unable to create devtmpfs %d\n", err);
477 		return err;