]> git.baikalelectronics.ru Git - kernel.git/commitdiff
net: hns3: fix a return value error in hclge_get_reset_status()
authorYufeng Mo <moyufeng@huawei.com>
Wed, 15 Sep 2021 13:52:11 +0000 (21:52 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 20 Sep 2021 12:28:39 +0000 (13:28 +0100)
hclge_get_reset_status() should return the tqp reset status.
However, if the CMDQ fails, the caller will take it as tqp reset
success status by mistake. Therefore, uses a parameters to get
the tqp reset status instead.

Fixes: 575d84053c84 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

index 14e9daf09f8c3dd060b7154e81708682a15f4e47..47fea8985861d144be3a0dd1ab559a4060448bfb 100644 (file)
@@ -10726,7 +10726,8 @@ static int hclge_reset_tqp_cmd_send(struct hclge_dev *hdev, u16 queue_id,
        return 0;
 }
 
-static int hclge_get_reset_status(struct hclge_dev *hdev, u16 queue_id)
+static int hclge_get_reset_status(struct hclge_dev *hdev, u16 queue_id,
+                                 u8 *reset_status)
 {
        struct hclge_reset_tqp_queue_cmd *req;
        struct hclge_desc desc;
@@ -10744,7 +10745,9 @@ static int hclge_get_reset_status(struct hclge_dev *hdev, u16 queue_id)
                return ret;
        }
 
-       return hnae3_get_bit(req->ready_to_reset, HCLGE_TQP_RESET_B);
+       *reset_status = hnae3_get_bit(req->ready_to_reset, HCLGE_TQP_RESET_B);
+
+       return 0;
 }
 
 u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle, u16 queue_id)
@@ -10763,7 +10766,7 @@ static int hclge_reset_tqp_cmd(struct hnae3_handle *handle)
        struct hclge_vport *vport = hclge_get_vport(handle);
        struct hclge_dev *hdev = vport->back;
        u16 reset_try_times = 0;
-       int reset_status;
+       u8 reset_status;
        u16 queue_gid;
        int ret;
        u16 i;
@@ -10779,7 +10782,11 @@ static int hclge_reset_tqp_cmd(struct hnae3_handle *handle)
                }
 
                while (reset_try_times++ < HCLGE_TQP_RESET_TRY_TIMES) {
-                       reset_status = hclge_get_reset_status(hdev, queue_gid);
+                       ret = hclge_get_reset_status(hdev, queue_gid,
+                                                    &reset_status);
+                       if (ret)
+                               return ret;
+
                        if (reset_status)
                                break;