From: Eiichi Tsukata <devel@etsukata.com>
To: gregkh@linuxfoundation.org, jslaby@suse.com, davem@davemloft.net,
kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Cc: Eiichi Tsukata <devel@etsukata.com>
Subject: [PATCH 1/2] tty: ldisc: Fix misuse of proc_dointvec "ldisc_autoload"
Date: Tue, 25 Jun 2019 12:08:00 +0900 [thread overview]
Message-ID: <20190625030801.24538-1-devel@etsukata.com> (raw)
/proc/sys/dev/tty/ldisc_autoload assumes given value to be 0 or 1. Use
proc_dointvec_minmax instead of proc_dointvec.
Fixes: 7c0cca7c847e "(tty: ldisc: add sysctl to prevent autoloading of ldiscs)"
Signed-off-by: Eiichi Tsukata <devel@etsukata.com>
---
drivers/tty/tty_ldisc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index e38f104db174..a8ea7a35c94e 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -863,7 +863,7 @@ static struct ctl_table tty_table[] = {
.data = &tty_ldisc_autoload,
.maxlen = sizeof(tty_ldisc_autoload),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
.extra1 = &zero,
.extra2 = &one,
},
--
2.21.0
next reply other threads:[~2019-06-25 3:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-25 3:08 Eiichi Tsukata [this message]
2019-06-25 3:08 ` [PATCH 2/2] net/ipv6: Fix misuse of proc_dointvec "skip_notify_on_dev_down" Eiichi Tsukata
2019-06-25 19:59 ` David Miller
2019-06-25 3:32 ` [PATCH 1/2] tty: ldisc: Fix misuse of proc_dointvec "ldisc_autoload" Greg KH
2019-06-25 4:40 ` Eiichi Tsukata
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