linux-kernel - Re: [PATCH] Sound, Cirrus: Remove redundant check

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Date:	Sat, 20 Aug 2011 00:16:57 +0000
From:	Tabi Timur-B04825 <B04825@...escale.com>
To:	Jesper Juhl <jj@...osbits.net>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"Edgar (gimli) Hucek" <gimli@...k-green.com>,
	Tim Howe <tim.howe@...rus.com>,
	Stephen Warren <swarren@...dia.com>,
	Vince Weaver <vweaver1@...s.utk.edu>,
	Takashi Iwai <tiwai@...e.de>, Jaroslav Kysela <perex@...ex.cz>
Subject: Re: [PATCH] Sound, Cirrus: Remove redundant check

On Fri, Aug 19, 2011 at 6:00 PM, Jesper Juhl <jj@...osbits.net> wrote:
> The variable 'idxp' is a pointer to 'unsigned int', so the value
> obtained when dereferencing it is always greater than or equal to
> 0. Testing this is redundant.

snd_hda_get_conn_index() can return a negative number, so maybe *idxp
should be a pointer to a signed int?

-- 
Timur Tabi
Linux kernel developer at Freescale
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