linux-kernel - [PATCH] hid-zydacron: Delete an error message for a failed memory allocation in zc

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Date:   Fri, 2 Feb 2018 21:46:37 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-input@...r.kernel.org,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Jiri Kosina <jikos@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] hid-zydacron: Delete an error message for a failed memory
 allocation in zc_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Fri, 2 Feb 2018 21:41:37 +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/hid/hid-zydacron.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/hid/hid-zydacron.c b/drivers/hid/hid-zydacron.c
index 1a660bd97ab2..3e8afaea2ab3 100644
--- a/drivers/hid/hid-zydacron.c
+++ b/drivers/hid/hid-zydacron.c
@@ -170,10 +170,8 @@ static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	struct zc_device *zc;
 
 	zc = devm_kzalloc(&hdev->dev, sizeof(*zc), GFP_KERNEL);
-	if (zc == NULL) {
-		hid_err(hdev, "can't alloc descriptor\n");
+	if (!zc)
 		return -ENOMEM;
-	}
 
 	hid_set_drvdata(hdev, zc);
 
-- 
2.16.1