linux-kernel - [PATCH for-rc 2/3] RDMA/hns: Fix hns_roce_table

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Date:   Tue, 23 May 2023 20:16:40 +0800
From:   Junxian Huang <huangjunxian6@...ilicon.com>
To:     <jgg@...dia.com>, <leon@...nel.org>
CC:     <linux-rdma@...r.kernel.org>, <linuxarm@...wei.com>,
        <linux-kernel@...r.kernel.org>, <huangjunxian6@...ilicon.com>
Subject: [PATCH for-rc 2/3] RDMA/hns: Fix hns_roce_table_get return value

From: Chengchang Tang <tangchengchang@...wei.com>

The return value of set_hem has been fixed to ENODEV, which will
lead a diagnostic information missing.

Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Signed-off-by: Chengchang Tang <tangchengchang@...wei.com>
Signed-off-by: Junxian Huang <huangjunxian6@...ilicon.com>
---
 drivers/infiniband/hw/hns/hns_roce_hem.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c
index aa8a08d1c014..f30274986c0d 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.c
@@ -595,11 +595,12 @@ int hns_roce_table_get(struct hns_roce_dev *hr_dev,
 	}
 
 	/* Set HEM base address(128K/page, pa) to Hardware */
-	if (hr_dev->hw->set_hem(hr_dev, table, obj, HEM_HOP_STEP_DIRECT)) {
+	ret = hr_dev->hw->set_hem(hr_dev, table, obj, HEM_HOP_STEP_DIRECT);
+	if (ret) {
 		hns_roce_free_hem(hr_dev, table->hem[i]);
 		table->hem[i] = NULL;
-		ret = -ENODEV;
-		dev_err(dev, "set HEM base address to HW failed.\n");
+		dev_err(dev, "set HEM base address to HW failed, ret = %d.\n",
+			ret);
 		goto out;
 	}
 
-- 
2.30.0