linux-kernel - [PATCH 2/7] HID: sensor-hub: Delete error messages for failed memory allocations in sensor_hub

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Date:   Mon, 24 Apr 2017 22:17:54 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-iio@...r.kernel.org, linux-input@...r.kernel.org,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Bruno Prémont <bonbons@...ux-vserver.org>,
        Henrik Rydberg <rydberg@...math.org>,
        Jiri Kosina <jikos@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org, Wolfram Sang <wsa@...-dreams.de>
Subject: [PATCH 2/7] HID: sensor-hub: Delete error messages for failed memory
 allocations in sensor_hub_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Mon, 24 Apr 2017 19:45:25 +0200

The script "checkpatch.pl" pointed information out like the following.

WARNING: Possible unnecessary 'out of memory' message

Thus remove such statements here.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/hid/hid-sensor-hub.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 349494fc8def..feb4bb8ee3ec 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -640,10 +640,8 @@ static int sensor_hub_probe(struct hid_device *hdev,
 	struct hid_sensor_hub_device *collection_hsdev = NULL;
 
 	sd = devm_kzalloc(&hdev->dev, sizeof(*sd), GFP_KERNEL);
-	if (!sd) {
-		hid_err(hdev, "cannot allocate Sensor data\n");
+	if (!sd)
 		return -ENOMEM;
-	}
 
 	hid_set_drvdata(hdev, sd);
 	sd->quirks = id->driver_data;
@@ -678,7 +676,6 @@ static int sensor_hub_probe(struct hid_device *hdev,
 			       sizeof(*sd->hid_sensor_hub_client_devs),
 			       GFP_KERNEL);
 	if (sd->hid_sensor_hub_client_devs == NULL) {
-		hid_err(hdev, "Failed to allocate memory for mfd cells\n");
 		ret = -ENOMEM;
 		goto err_stop_hw;
 	}
@@ -692,7 +689,6 @@ static int sensor_hub_probe(struct hid_device *hdev,
 			hsdev = devm_kzalloc(&hdev->dev, sizeof(*hsdev),
 					     GFP_KERNEL);
 			if (!hsdev) {
-				hid_err(hdev, "cannot allocate hid_sensor_hub_device\n");
 				ret = -ENOMEM;
 				goto err_stop_hw;
 			}
-- 
2.12.2