From: Ian Abbott <abbotti@mev.co.uk>
Date: Wed, 19 May 2010 17:09:50 +0000 (+0100)
Subject: Staging: comedi: For COMEDI_BUFINFO, check access to command
X-Git-Tag: v2.6.35-rc2~14^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=53fa827e295d8b09a2446b3126577244644d256d;p=pandora-kernel.git

Staging: comedi: For COMEDI_BUFINFO, check access to command

Don't allow COMEDI_BUFINFO ioctl if some other file object has locked
the subdevice or has an active command.  If there is no active command,
just report back the last buffer position.

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

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