From: Ian Abbott <abbotti@mev.co.uk>
Date: Fri, 8 Nov 2013 15:03:37 +0000 (+0000)
Subject: staging: comedi: use refcount in sysfs attribute handlers
X-Git-Tag: v3.14-rc1~150^2~775^2~88
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be535c9a058b73600666d5431cfb442f39989a33;p=pandora-kernel.git

staging: comedi: use refcount in sysfs attribute handlers

Call `comedi_dev_get_from_minor()` instead of `comedi_dev_from_minor()`
in the sysfs attribute handler functions to increment the reference of
the `struct comedi_device` during the operation.  Call
`comedi_dev_put()` to decrement the reference afterwards.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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