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authorEric W. Biederman <ebiederm@xmission.com>2007-10-18 03:05:31 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 14:37:23 -0700
commit35834ca1e4bda56d252aa2024a283d631f0e5ac6 (patch)
tree4f73a27db7de4ced7b39907fe958498a3ff7ef4b /drivers/char
parent25398a158d86b993fa5bf36f5a6752134b584d60 (diff)
sysctl: simplify the pty sysctl logic
Instead of having a bunch of ifdefs in sysctl.c move all of the pty sysctl logic into drivers/char/pty.c As well as cleaning up the logic this prevents sysctl_check_table from complaining that the root table has a NULL data pointer on something with generic methods. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char')
-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) { }