From: Fengguang Wu <fengguang.wu@intel.com>
To: kernel-janitors@vger.kernel.org
Subject: ptmx_open() error: double unlock 'mutex:&devpts_mutex'
Date: Wed, 12 Sep 2012 03:21:25 +0000 [thread overview]
Message-ID: <20120912032125.GA22336@localhost> (raw)
Hi Alan,
FYI, there are new smatch warnings show up in commit 89c8d91e31f267703e365593f6bfebb9f6d2ad01
drivers/tty/pty.c:670 ptmx_open() error: double unlock 'mutex:&devpts_mutex'
vim +670 drivers/tty/pty.c
666 out:
667 mutex_unlock(&tty_mutex);
668 devpts_kill_index(inode, index);
669 err_file:
> 670 mutex_unlock(&devpts_mutex);
671 tty_free_file(filp);
672 return retval;
673 }
674
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com> Intel Corporation
next reply other threads:[~2012-09-12 3:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-12 3:21 Fengguang Wu [this message]
2012-09-12 15:27 ` ptmx_open() error: double unlock 'mutex:&devpts_mutex' Alan Cox
2012-09-12 15:50 ` Dan Carpenter
2012-09-12 16:05 ` Alan Cox
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=20120912032125.GA22336@localhost \
--to=fengguang.wu@intel.com \
--cc=kernel-janitors@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