From: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
To: linux-input@vger.kernel.org
Subject: [PATCH] Input - keyboard: fix theoretical race on vt switch
Date: Thu, 03 Sep 2009 17:04:57 +0100 [thread overview]
Message-ID: <4A9FE929.8030804@tuffmail.co.uk> (raw)
Switching virtual consoles could change fg_console between
vc = vc_cons[fg_console].d
and
kbd = kbd_table + fg_console
Replace the second instance of fg_console with vc->vc_num.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
---
drivers/char/keyboard.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 737be95..4b564c5 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -1157,7 +1157,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
tty->driver_data = vc;
}
- kbd = kbd_table + fg_console;
+ kbd = kbd_table + vc->vc_num;
if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTALT)
sysrq_alt = down ? keycode : 0;
--
1.6.3.2
next reply other threads:[~2009-09-03 16:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-03 16:04 Alan Jenkins [this message]
2009-09-05 7:09 ` [PATCH] Input - keyboard: fix theoretical race on vt switch Dmitry Torokhov
2009-09-05 14:16 ` [PATCHv2] " Alan Jenkins
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4A9FE929.8030804@tuffmail.co.uk \
--to=alan-jenkins@tuffmail.co.uk \
--cc=linux-input@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).