Cregit: Linux 5.18: noinitramfs.c

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Jean-Paul Saman	109	88.62%	1	20.00%
Christoph Hellwig	6	4.88%	2	40.00%
Rasmus Villemoes	6	4.88%	1	20.00%
Thomas Gleixner	2	1.63%	1	20.00%
Total	123		5

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// SPDX-License-Identifier: GPL-2.0-only
/*
 * init/noinitramfs.c
 *
 * Copyright (C) 2006, NXP Semiconductors, All Rights Reserved
 * Author: Jean-Paul Saman <jean-paul.saman@nxp.com>
 */
#include <linux/init.h>
#include <linux/stat.h>
#include <linux/kdev_t.h>
#include <linux/syscalls.h>
#include <linux/init_syscalls.h>
#include <linux/umh.h>

/*
 * Create a simple rootfs that is similar to the default initramfs
 */
static int __init default_rootfs(void)
{
	int err;

	usermodehelper_enable();
	err = init_mkdir("/dev", 0755);
	if (err < 0)
		goto out;

	err = init_mknod("/dev/console", S_IFCHR | S_IRUSR | S_IWUSR,
			new_encode_dev(MKDEV(5, 1)));
	if (err < 0)
		goto out;

	err = init_mkdir("/root", 0700);
	if (err < 0)
		goto out;

	return 0;

out:
	printk(KERN_WARNING "Failed to create a rootfs\n");
	return err;
}
rootfs_initcall(default_rootfs);