netdev - [PATCH] hyperv: Fix error return code in netvsc_init

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Message-Id: <1406077235-29095-1-git-send-email-weiyj_lk@163.com>
Date:	Wed, 23 Jul 2014 09:00:35 +0800
From:	weiyj_lk@....com
To:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>
Cc:	Wei Yongjun <yongjun_wei@...ndmicro.com.cn>,
	devel@...uxdriverproject.org, netdev@...r.kernel.org
Subject: [PATCH] hyperv: Fix error return code in netvsc_init_buf()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Fix to return -ENOMEM from the kalloc error handling
case instead of 0.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/net/hyperv/netvsc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 4ed38ea..d97d5f3 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -378,8 +378,10 @@ static int netvsc_init_buf(struct hv_device *device)
 
 	net_device->send_section_map =
 		kzalloc(net_device->map_words * sizeof(ulong), GFP_KERNEL);
-	if (net_device->send_section_map == NULL)
+	if (net_device->send_section_map == NULL) {
+		ret = -ENOMEM;
 		goto cleanup;
+	}
 
 	goto exit;
 

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