fs/proc/version_signature.c

   1 #include <linux/kernel.h>
   2 #include <linux/module.h>
   3 #include <linux/fs.h>
   4 #include <linux/init.h>
   5 #include <linux/proc_fs.h>
   6 #include <linux/seq_file.h>
   7 #include <linux/utsname.h>
   8
   9 static int version_signature_proc_show(struct seq_file *m, void *v)
  10 {
  11         seq_printf(m, "%s\n", CONFIG_VERSION_SIGNATURE);
  12         return 0;
  13 }
  14
  15 static int version_signature_proc_open(struct inode *inode, struct file *file)
  16 {
  17         return single_open(file, version_signature_proc_show, NULL);
  18 }
  19
  20 static const struct file_operations version_signature_proc_fops = {
  21         .open           = version_signature_proc_open,
  22         .read           = seq_read,
  23         .llseek         = seq_lseek,
  24         .release        = single_release,
  25 };
  26
  27 static int __init proc_version_signature_init(void)
  28 {
  29         proc_create("version_signature", 0, NULL, &version_signature_proc_fops);
  30         return 0;
  31 }
  32 module_init(proc_version_signature_init);