linux-kernel - [PATCH 2/4] vmbus: Delete an error message for a failed memory allocation in vmbus_device

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Date:   Thu, 11 May 2017 18:17:01 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     devel@...uxdriverproject.org,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org, Wolfram Sang <wsa@...-dreams.de>
Subject: [PATCH 2/4] vmbus: Delete an error message for a failed memory
 allocation in vmbus_device_create()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 11 May 2017 17:33:14 +0200

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

This issue was detected by using the Coccinelle software.

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/hv/vmbus_drv.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 6802d74f162c..96328aebae5a 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1149,7 +1149,5 @@ struct hv_device *vmbus_device_create(const uuid_le *type,
-	if (!child_device_obj) {
-		pr_err("Unable to allocate device object for child device\n");
+	if (!child_device_obj)
 		return NULL;
-	}
 
 	child_device_obj->channel = channel;
 	memcpy(&child_device_obj->dev_type, type, sizeof(uuid_le));
-- 
2.12.3