linux-kernel - [patch] iio: light: apds9960: silence uninitialized variable warning

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Date:	Fri, 22 Apr 2016 13:04:14 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Jonathan Cameron <jic23@...nel.org>
Cc:	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>,
	Matt Ranostay <mranostay@...il.com>, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] iio: light: apds9960: silence uninitialized variable warning

It causes a static checker warning if we use "buf" on the failure path
so move that inside the if statement.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c
index a6af56a..fbdd172 100644
--- a/drivers/iio/light/apds9960.c
+++ b/drivers/iio/light/apds9960.c
@@ -491,9 +491,10 @@ static int apds9960_read_raw(struct iio_dev *indio_dev,
 		case IIO_INTENSITY:
 			ret = regmap_bulk_read(data->regmap, chan->address,
 					       &buf, 2);
-			if (!ret)
+			if (!ret) {
 				ret = IIO_VAL_INT;
-			*val = le16_to_cpu(buf);
+				*val = le16_to_cpu(buf);
+			}
 			break;
 		default:
 			ret = -EINVAL;