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-rw-r--r--drivers/char/pty.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index 73de77105fea..706ff34728f1 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -318,7 +318,7 @@ int pty_limit = NR_UNIX98_PTY_DEFAULT;
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",
@@ -340,6 +340,27 @@ ctl_table pty_table[] = {
}
};
+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)
{
@@ -404,6 +425,7 @@ static void __init unix98_pty_init(void)
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) { }