From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 11 Jul 2012 06:40:40 +0000 (+0300)
Subject: tty: double unlock on error in ptmx_open()
X-Git-Tag: omap-cleanup-sparseirq-for-v3.7~170
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79d753209245de3d6f02480535a8f5cf21ad02f7;p=pandora-kernel.git

tty: double unlock on error in ptmx_open()

The problem here is that we called mutex_unlock(&devpts_mutex) on the
error path when we weren't holding the lock.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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