linux-kernel - [PATCH] ASoC: ssm2518: Use a signed return type for ssm2518_lookup

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Date:	Sun, 20 Dec 2015 10:40:24 +0100
From:	SF Markus Elfring <elfring@...rs.sourceforge.net>
To:	alsa-devel@...a-project.org, Jaroslav Kysela <perex@...ex.cz>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH] ASoC: ssm2518: Use a signed return type for
 ssm2518_lookup_mcs()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sun, 20 Dec 2015 10:34:25 +0100

The return type "unsigned int" was used by the ssm2518_lookup_mcs()
function even though it will eventually return a negative error code.
Improve this implementation detail by deletion of the type modifier then.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 sound/soc/codecs/ssm2518.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/ssm2518.c b/sound/soc/codecs/ssm2518.c
index 86b81a6..e2e0bfa 100644
--- a/sound/soc/codecs/ssm2518.c
+++ b/sound/soc/codecs/ssm2518.c
@@ -309,7 +309,7 @@ static const struct snd_pcm_hw_constraint_list ssm2518_constraints_12288000 = {
 	.count = ARRAY_SIZE(ssm2518_rates_12288000),
 };
 
-static unsigned int ssm2518_lookup_mcs(struct ssm2518 *ssm2518,
+static int ssm2518_lookup_mcs(struct ssm2518 *ssm2518,
 	unsigned int rate)
 {
 	const unsigned int *sysclks = NULL;
-- 
2.6.3

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