linux-kernel - [PATCH 1/2] lp3971: remove unnecessary ret value checking in lp3971_i2c

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Message-Id: <1280979638.1238.2.camel@mola>
Date:	Thu, 05 Aug 2010 11:40:38 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Liam Girdwood <lrg@...mlogic.co.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: [PATCH 1/2] lp3971: remove unnecessary ret value checking in
	lp3971_i2c_write()

i2c_smbus_write_byte_data() returns zero or negative value,
therefore no need to check if ret is greater than zero or not.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/lp3971.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 8ae3732..d4d9822 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -387,15 +387,9 @@ static int lp3971_i2c_read(struct i2c_client *i2c, char reg, int count,
 static int lp3971_i2c_write(struct i2c_client *i2c, char reg, int count,
 	const u16 *src)
 {
-	int ret;
-
 	if (count != 1)
 		return -EIO;
-	ret = i2c_smbus_write_byte_data(i2c, reg, *src);
-	if (ret >= 0)
-		return 0;
-
-	return ret;
+	return i2c_smbus_write_byte_data(i2c, reg, *src);
 }
 
 static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg)
-- 
1.5.4.3



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