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
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