Files
linux/init/noinitramfs.c
Christoph Hellwig 83ff98c3e9 init: add an init_mkdir helper
Add a simple helper to mkdir with a kernel space file name and switch
the early init code over to it.  Remove the now unused ksys_mkdir.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-07-31 08:17:53 +02:00

42 lines
846 B
C

// 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>
/*
* Create a simple rootfs that is similar to the default initramfs
*/
static int __init default_rootfs(void)
{
int err;
err = init_mkdir("/dev", 0755);
if (err < 0)
goto out;
err = ksys_mknod((const char __user __force *) "/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);