1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/fs.h>
 3#include <linux/init.h>
 4#include <linux/proc_fs.h>
 5#include <linux/seq_file.h>
 6#include "internal.h"
 7
 8static int cmdline_proc_show(struct seq_file *m, void *v)
 9{
10	seq_puts(m, saved_command_line);
11	seq_putc(m, '\n');
12	return 0;
13}
14
15static int __init proc_cmdline_init(void)
16{
17	struct proc_dir_entry *pde;
 
 
 
 
 
 
 
 
18
19	pde = proc_create_single("cmdline", 0, NULL, cmdline_proc_show);
20	pde_make_permanent(pde);
21	pde->size = saved_command_line_len + 1;
22	return 0;
23}
24fs_initcall(proc_cmdline_init);

 
 1#include <linux/fs.h>
 2#include <linux/init.h>
 3#include <linux/proc_fs.h>
 4#include <linux/seq_file.h>
 
 5
 6static int cmdline_proc_show(struct seq_file *m, void *v)
 7{
 8	seq_printf(m, "%s\n", saved_command_line);
 
 9	return 0;
10}
11
12static int cmdline_proc_open(struct inode *inode, struct file *file)
13{
14	return single_open(file, cmdline_proc_show, NULL);
15}
16
17static const struct file_operations cmdline_proc_fops = {
18	.open		= cmdline_proc_open,
19	.read		= seq_read,
20	.llseek		= seq_lseek,
21	.release	= single_release,
22};
23
24static int __init proc_cmdline_init(void)
25{
26	proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
27	return 0;
28}
29fs_initcall(proc_cmdline_init);