From: Huazhong Tan <tanhuazhong@huawei.com>
Date: Mon, 16 Jul 2018 15:36:23 +0000 (+0100)
Subject: net: hns3: Fix return value error in hns3_reset_notify_down_enet
X-Git-Tag: v4.18.10~60
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c55e49df537135633324ea7421e369cabbbce2b7;p=users%2Fdwmw2%2Flinux.git

net: hns3: Fix return value error in hns3_reset_notify_down_enet

[ Upstream commit 6b1385cc251ae9f26b720fa5c8c00bf19af336ae ]

When doing reset, netdev has not been brought up is not an error,
it means that we do not need do the stop operation, so just return
zero.

Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index bcec3a779407d..9d69621f5ab42 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3422,7 +3422,7 @@ static int hns3_reset_notify_down_enet(struct hnae3_handle *handle)
 	struct net_device *ndev = kinfo->netdev;
 
 	if (!netif_running(ndev))
-		return -EIO;
+		return 0;
 
 	return hns3_nic_net_stop(ndev);
 }