Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
cf9887f1 AD |
2 | #include <linux/fs.h> |
3 | #include <linux/init.h> | |
4 | #include <linux/proc_fs.h> | |
5 | #include <linux/seq_file.h> | |
6 | ||
7 | static int cmdline_proc_show(struct seq_file *m, void *v) | |
8 | { | |
58c501aa AD |
9 | seq_puts(m, saved_command_line); |
10 | seq_putc(m, '\n'); | |
cf9887f1 AD |
11 | return 0; |
12 | } | |
13 | ||
14 | static int cmdline_proc_open(struct inode *inode, struct file *file) | |
15 | { | |
16 | return single_open(file, cmdline_proc_show, NULL); | |
17 | } | |
18 | ||
19 | static const struct file_operations cmdline_proc_fops = { | |
20 | .open = cmdline_proc_open, | |
21 | .read = seq_read, | |
22 | .llseek = seq_lseek, | |
23 | .release = single_release, | |
24 | }; | |
25 | ||
26 | static int __init proc_cmdline_init(void) | |
27 | { | |
28 | proc_create("cmdline", 0, NULL, &cmdline_proc_fops); | |
29 | return 0; | |
30 | } | |
abaf3787 | 31 | fs_initcall(proc_cmdline_init); |