The patch titled
sysctl: simplify the pty sysctl logic
has been added to the -mm tree. Its filename is
sysctl-simplify-the-pty-sysctl-logic.patch
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See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
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------------------------------------------------------
Subject: sysctl: simplify the pty sysctl logic
From: Eric W. Biederman <[EMAIL PROTECTED]>
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 <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/char/pty.c | 24 +++++++++++++++++++++++-
kernel/sysctl.c | 11 -----------
2 files changed, 23 insertions(+), 12 deletions(-)
diff -puN drivers/char/pty.c~sysctl-simplify-the-pty-sysctl-logic
drivers/char/pty.c
--- a/drivers/char/pty.c~sysctl-simplify-the-pty-sysctl-logic
+++ a/drivers/char/pty.c
@@ -313,7 +313,7 @@ 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",
@@ -335,6 +335,27 @@ 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)
{
@@ -399,6 +420,7 @@ 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) { }
diff -puN kernel/sysctl.c~sysctl-simplify-the-pty-sysctl-logic kernel/sysctl.c
--- a/kernel/sysctl.c~sysctl-simplify-the-pty-sysctl-logic
+++ a/kernel/sysctl.c
@@ -163,9 +163,6 @@ static struct ctl_table fs_table[];
static struct ctl_table debug_table[];
static struct ctl_table dev_table[];
extern struct ctl_table random_table[];
-#ifdef CONFIG_UNIX98_PTYS
-extern struct ctl_table pty_table[];
-#endif
#ifdef CONFIG_INOTIFY_USER
extern struct ctl_table inotify_table[];
#endif
@@ -532,14 +529,6 @@ static struct ctl_table kern_table[] = {
.mode = 0555,
.child = random_table,
},
-#ifdef CONFIG_UNIX98_PTYS
- {
- .ctl_name = KERN_PTY,
- .procname = "pty",
- .mode = 0555,
- .child = pty_table,
- },
-#endif
{
.ctl_name = KERN_OVERFLOWUID,
.procname = "overflowuid",
_
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sysctl-parport-remove-binary-paths.patch
sysctl-simplify-the-pty-sysctl-logic.patch
sysctl-remove-broken-netfilter-binary-sysctls.patch
sysctl-clean-up-the-sched-debug-sysctl-usage.patch
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