* [PATCH] proc: remove proc_tty_ldisc variable
@ 2014-07-08 21:49 Alexey Dobriyan
0 siblings, 0 replies; only message in thread
From: Alexey Dobriyan @ 2014-07-08 21:49 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel
/proc/tty/ldisc appear to be unused as a directory and
it had been always that way.
But it is userspace visible thing.
Cowardly remove only in-kernel variable holding it.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
fs/proc/proc_tty.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/proc/proc_tty.c
+++ b/fs/proc/proc_tty.c
@@ -18,7 +18,7 @@
/*
* The /proc/tty directory inodes...
*/
-static struct proc_dir_entry *proc_tty_ldisc, *proc_tty_driver;
+static struct proc_dir_entry *proc_tty_driver;
/*
* This is the handler for /proc/tty/drivers
@@ -176,7 +176,7 @@ void __init proc_tty_init(void)
{
if (!proc_mkdir("tty", NULL))
return;
- proc_tty_ldisc = proc_mkdir("tty/ldisc", NULL);
+ proc_mkdir("tty/ldisc", NULL);
/*
* /proc/tty/driver/serial reveals the exact character counts for
* serial links which is just too easy to abuse for inferring
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2014-07-08 21:49 [PATCH] proc: remove proc_tty_ldisc variable Alexey Dobriyan
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