From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Mon, 13 Oct 2014 16:56:08 +0000 (-0700)
Subject: staging: comedi: comedidev.h: clarify async->event error/cancel detection
X-Git-Tag: omap-for-v3.19/fixes-rc1~73^2~863
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=781f933c151ee47e3cc1c8ef5491db23f1b61c9a;p=pandora-kernel.git

staging: comedi: comedidev.h: clarify async->event error/cancel detection

Introduce COMEDI_CB_ERROR_MASK and COMEDI_CB_CANCEL_MASK to clarify the
async->events that indicate errors and cancel an async command.

Use the new defines to tidy up and clarify the code.

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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