From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Tue, 12 Jun 2012 18:57:45 +0000 (-0700)
Subject: staging: comedi: sanity check num_subdevices parameter in comedi_alloc_subdevices
X-Git-Tag: v3.6-rc1~100^2~824
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f801c41714729f7741a042de839918be2bb56f0;p=pandora-kernel.git

staging: comedi: sanity check num_subdevices parameter in comedi_alloc_subdevices

It's possible for a couple of the comedi drivers to incorrectly call
comedi_alloc_subdevices with num_subdevices = 0. Add a sanity check
before doing the kcalloc.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbot@mev.co.uk>
Cc: Frank Mori Hess <kmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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