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>

1 files changed, 3 insertions, 1 deletions

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;