linux-kernel - [PATCH 4.14 127/178] net: hns3: add nic_client check when initialize roce base information

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Message-Id: <20171218152926.093892388@linuxfoundation.org>
Date:   Mon, 18 Dec 2017 16:49:23 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Lipeng <lipeng321@...wei.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.14 127/178] net: hns3: add nic_client check when initialize roce base information

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lipeng <lipeng321@...wei.com>


[ Upstream commit 3a46f34d20d453f09defb76b11a567647939c0aa ]

Roce driver works base on HNS3 driver.If insmod Roce driver before
NIC driver there is a error because do not check nic_client. This patch
adds nic_client check when initialize roce base information.

Fixes: 46a3df9 (net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support)

Signed-off-by: Lipeng <lipeng321@...wei.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -3981,7 +3981,7 @@ static int hclge_init_client_instance(st
 				vport->roce.client = client;
 			}
 
-			if (hdev->roce_client) {
+			if (hdev->roce_client && hdev->nic_client) {
 				ret = hclge_init_roce_base_info(vport);
 				if (ret)
 					goto err;