linux-kernel - Re: [PATCH] media: fix truncated entity specification

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Date:	Tue, 15 Nov 2011 14:02:21 +0100
From:	Clemens Ladisch <clemens@...isch.de>
To:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
CC:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	linux-media@...r.kernel.org, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: fix truncated entity specification

Laurent Pinchart wrote:
> On Saturday 05 November 2011 22:42:01 Clemens Ladisch wrote:
> > When enumerating an entity, assign the entire entity specification
> > instead of only the first two words.  (This requires giving the
> > specification union a name.)
> 
> What about this (untested) simpler patch ?
> 
> -	u_ent.v4l.major = ent->v4l.major;
> -	u_ent.v4l.minor = ent->v4l.minor;
> +	memcpy(&u_ent.raw, &ent->raw, sizeof(u_ent.raw));

I would have written it this way if ent->raw actually existed.
(And please don't tell me you want to increase the size of
struct media_entity by 172 bytes.  :)


Regards,
Clemens
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