From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Wed, 23 Jul 2014 01:00:35 +0000 (+0800)
Subject: hyperv: Fix error return code in netvsc_init_buf()
X-Git-Tag: firefly_0821_release~176^2~3540^2~16
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=dd1d3f8f9920926aa426589e542eed6bf58b7354;p=firefly-linux-kernel-4.4.55.git

hyperv: Fix error return code in netvsc_init_buf()

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

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 4ed38eaecea8..d97d5f39a04e 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;