From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Wed, 19 Jun 2013 22:24:36 +0000 (-0700)
Subject: staging: comedi: have comedi_set_spriv() allocate the memory
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~76^2~56
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0480bcb9fb5e279df9d39f21bb0e87ab15b5092a;p=pandora-kernel.git

staging: comedi: have comedi_set_spriv() allocate the memory

As suggested by Ian Abbott, comedi_set_spriv() can only be used to
set the subdevice->private pointer to something that can be kfree()'d.
Rename the function to comedi_alloc_spriv() and have it kzalloc() the
memory as well as set the private pointer. This saves a function call
in the drivers and avoids the possibility of incorrectly calling
comedi_set_spriv() for some pointer that is not meant to be kfree()'d.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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