return -ENOIOCTLCMD;
}
+static int legacy_count = CONFIG_LEGACY_PTY_COUNT;
+module_param(legacy_count, int, 0);
+
static void __init legacy_pty_init(void)
{
+ if (legacy_count <= 0)
+ return;
- pty_driver = alloc_tty_driver(NR_PTYS);
+ pty_driver = alloc_tty_driver(legacy_count);
if (!pty_driver)
panic("Couldn't allocate pty driver");
- pty_slave_driver = alloc_tty_driver(NR_PTYS);
+ pty_slave_driver = alloc_tty_driver(legacy_count);
if (!pty_slave_driver)
panic("Couldn't allocate pty slave driver");
static int pty_limit_min = 0;
static int pty_limit_max = NR_UNIX98_PTY_MAX;
-ctl_table pty_table[] = {
+static struct ctl_table pty_table[] = {
{
.ctl_name = PTY_MAX,
.procname = "max",
}
};
+static struct ctl_table pty_kern_table[] = {
+ {
+ .ctl_name = KERN_PTY,
+ .procname = "pty",
+ .mode = 0555,
+ .child = pty_table,
+ },
+ {}
+};
+
+static struct ctl_table pty_root_table[] = {
+ {
+ .ctl_name = CTL_KERN,
+ .procname = "kernel",
+ .mode = 0555,
+ .child = pty_kern_table,
+ },
+ {}
+};
+
+
static int pty_unix98_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
panic("Couldn't register Unix98 pts driver");
pty_table[1].data = &ptm_driver->refcount;
+ register_sysctl_table(pty_root_table);
}
#else
static inline void unix98_pty_init(void) { }