linux-kernel - [PATCH] iio/orientation: Delete an error message for a failed memory allocation in two functions

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Date:   Mon, 29 Jan 2018 22:26:15 +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] iio/orientation: Delete an error message for a failed memory
 allocation in two functions

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Mon, 29 Jan 2018 22:20:07 +0100

Omit an extra message for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/iio/orientation/hid-sensor-incl-3d.c  | 4 +---
 drivers/iio/orientation/hid-sensor-rotation.c | 4 +---
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/orientation/hid-sensor-incl-3d.c b/drivers/iio/orientation/hid-sensor-incl-3d.c
index 1e5451d1ff88..742c0e0eb4cf 100644
--- a/drivers/iio/orientation/hid-sensor-incl-3d.c
+++ b/drivers/iio/orientation/hid-sensor-incl-3d.c
@@ -336,10 +336,8 @@ static int hid_incl_3d_probe(struct platform_device *pdev)
 
 	indio_dev->channels = kmemdup(incl_3d_channels,
 				      sizeof(incl_3d_channels), GFP_KERNEL);
-	if (!indio_dev->channels) {
-		dev_err(&pdev->dev, "failed to duplicate channels\n");
+	if (!indio_dev->channels)
 		return -ENOMEM;
-	}
 
 	ret = incl_3d_parse_report(pdev, hsdev,
 				   (struct iio_chan_spec *)indio_dev->channels,
diff --git a/drivers/iio/orientation/hid-sensor-rotation.c b/drivers/iio/orientation/hid-sensor-rotation.c
index a69db2002414..cbf5e406b1ee 100644
--- a/drivers/iio/orientation/hid-sensor-rotation.c
+++ b/drivers/iio/orientation/hid-sensor-rotation.c
@@ -277,10 +277,8 @@ static int hid_dev_rot_probe(struct platform_device *pdev)
 	indio_dev->channels = devm_kmemdup(&pdev->dev, dev_rot_channels,
 					   sizeof(dev_rot_channels),
 					   GFP_KERNEL);
-	if (!indio_dev->channels) {
-		dev_err(&pdev->dev, "failed to duplicate channels\n");
+	if (!indio_dev->channels)
 		return -ENOMEM;
-	}
 
 	ret = dev_rot_parse_report(pdev, hsdev,
 				   (struct iio_chan_spec *)indio_dev->channels,
-- 
2.16.1