[PATCH 05/16] media: i2c: rdacm20: Check return values

From: Jacopo Mondi <jacopo+renesas@jmondi.org>
To: kieran.bingham+renesas@ideasonboard.com,
	laurent.pinchart+renesas@ideasonboard.com,
	niklas.soderlund+renesas@ragnatech.se, geert@linux-m68k.org
Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 05/16] media: i2c: rdacm20: Check return values
Date: Tue, 16 Feb 2021 18:41:35 +0100	[thread overview]
Message-ID: <20210216174146.106639-6-jacopo+renesas@jmondi.org> (raw)
In-Reply-To: <20210216174146.106639-1-jacopo+renesas@jmondi.org>

The camera module initialization routine does not check the return
value of a few functions. Fix that.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 drivers/media/i2c/rdacm20.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/media/i2c/rdacm20.c b/drivers/media/i2c/rdacm20.c
index 56406d82b5ac..e982373908f2 100644
--- a/drivers/media/i2c/rdacm20.c
+++ b/drivers/media/i2c/rdacm20.c
@@ -470,11 +470,16 @@ static int rdacm20_initialize(struct rdacm20_device *dev)
 	 *  Ensure that we have a good link configuration before attempting to
 	 *  identify the device.
 	 */
-	max9271_configure_i2c(&dev->serializer, MAX9271_I2CSLVSH_469NS_234NS |
-						MAX9271_I2CSLVTO_1024US |
-						MAX9271_I2CMSTBT_105KBPS);
+	ret = max9271_configure_i2c(&dev->serializer,
+				    MAX9271_I2CSLVSH_469NS_234NS |
+				    MAX9271_I2CSLVTO_1024US |
+				    MAX9271_I2CMSTBT_105KBPS);
+	if (ret)
+		return ret;
 
-	max9271_configure_gmsl_link(&dev->serializer);
+	ret = max9271_configure_gmsl_link(&dev->serializer);
+	if (ret)
+		return ret;
 
 	ret = max9271_verify_id(&dev->serializer);
 	if (ret < 0)
-- 
2.30.0

