linux-kernel - [PATCH 09/18] HID: Return an error code only as a constant in hid_allocate

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Message-ID: <58187414-2ced-17cb-cb6a-0fe87d0e5fac@users.sourceforge.net>
Date:   Tue, 7 Feb 2017 20:51:37 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-input@...r.kernel.org,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Bruno Prémont <bonbons@...ux-vserver.org>,
        Jiri Kosina <jikos@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 09/18] HID: Return an error code only as a constant in
 hid_allocate_device()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 7 Feb 2017 19:17:36 +0100

* Return an error code without storing it in an intermediate variable.

* Delete the local variable "ret" which became unnecessary with
  this refactoring.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/hid/hid-core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index f4ea3590954c..a5db000ed1c4 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2716,11 +2716,10 @@ EXPORT_SYMBOL_GPL(hid_add_device);
 struct hid_device *hid_allocate_device(void)
 {
 	struct hid_device *hdev;
-	int ret = -ENOMEM;
 
 	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
 	if (!hdev)
-		return ERR_PTR(ret);
+		return ERR_PTR(-ENOMEM);
 
 	device_initialize(&hdev->dev);
 	hdev->dev.release = hid_device_release;
-- 
2.11.1