linux-kernel - [PATCH] hid-sensor-gyro-3d: Delete an error message for a failed memory allocation in hid_gyro_3d

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Date:   Wed, 31 Jan 2018 21:43:10 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-iio@...r.kernel.org, linux-input@...r.kernel.org,
        Hartmut Knaack <knaack.h@....de>,
        Jiri Kosina <jikos@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] hid-sensor-gyro-3d: Delete an error message for a failed
 memory allocation in hid_gyro_3d_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 31 Jan 2018 21:36:53 +0100

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/iio/gyro/hid-sensor-gyro-3d.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index f59995a90387..93465816c5c7 100644
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -317,10 +317,8 @@ static int hid_gyro_3d_probe(struct platform_device *pdev)
 
 	indio_dev->channels = kmemdup(gyro_3d_channels,
 				      sizeof(gyro_3d_channels), GFP_KERNEL);
-	if (!indio_dev->channels) {
-		dev_err(&pdev->dev, "failed to duplicate channels\n");
+	if (!indio_dev->channels)
 		return -ENOMEM;
-	}
 
 	ret = gyro_3d_parse_report(pdev, hsdev,
 				   (struct iio_chan_spec *)indio_dev->channels,
-- 
2.16.1