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

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Date:	Sat, 20 Aug 2011 00:00:06 +0200 (CEST)
From:	Jesper Juhl <jj@...osbits.net>
To:	linux-kernel@...r.kernel.org
cc:	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: [PATCH] Sound, Cirrus: Remove redundant check

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.

Signed-off-by: Jesper Juhl <jj@...osbits.net>
---
 sound/pci/hda/patch_cirrus.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 47d6ffc..3bd8721 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -385,8 +385,7 @@ static hda_nid_t get_adc(struct hda_codec *codec, hda_nid_t pin,
 		if (type != AC_WID_AUD_IN)
 			continue;
 		*idxp = snd_hda_get_conn_index(codec, nid, pin, false);
-		if (*idxp >= 0)
-			return nid;
+		return nid;
 	}
 	return 0;
 }
-- 
1.7.6


-- 
Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
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