net: hns3: modify hclge_func_reset_sync_vf()'s return type to void
authorHuazhong Tan <tanhuazhong@huawei.com>
Sat, 11 Jan 2020 08:33:52 +0000 (16:33 +0800)
committerDavid S. Miller <davem@davemloft.net>
Sat, 11 Jan 2020 22:52:23 +0000 (14:52 -0800)
When synchronizes with VFs fail before PF function reset,
PF driver should go on its function reset, otherwise it
can not run normally anymore. So, hclge_func_reset_sync_vf()
should not affect the processing of PF reset, this patch
modifies its return type to void.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

index d81c9760872660b8c4743c6ddcd2086cb14bad21..21ecd797d450cb3c86830348aed99b14949a2c89 100644 (file)
@@ -3362,7 +3362,7 @@ static void hclge_mailbox_service_task(struct hclge_dev *hdev)
        clear_bit(HCLGE_STATE_MBX_HANDLING, &hdev->state);
 }
 
-static int hclge_func_reset_sync_vf(struct hclge_dev *hdev)
+static void hclge_func_reset_sync_vf(struct hclge_dev *hdev)
 {
        struct hclge_pf_rst_sync_cmd *req;
        struct hclge_desc desc;
@@ -3382,20 +3382,19 @@ static int hclge_func_reset_sync_vf(struct hclge_dev *hdev)
                 */
                if (ret == -EOPNOTSUPP) {
                        msleep(HCLGE_RESET_SYNC_TIME);
-                       return 0;
+                       return;
                } else if (ret) {
-                       dev_err(&hdev->pdev->dev, "sync with VF fail %d!\n",
-                               ret);
-                       return ret;
+                       dev_warn(&hdev->pdev->dev, "sync with VF fail %d!\n",
+                                ret);
+                       return;
                } else if (req->all_vf_ready) {
-                       return 0;
+                       return;
                }
                msleep(HCLGE_PF_RESET_SYNC_TIME);
                hclge_cmd_reuse_desc(&desc, true);
        } while (cnt++ < HCLGE_PF_RESET_SYNC_CNT);
 
-       dev_err(&hdev->pdev->dev, "sync with VF timeout!\n");
-       return -ETIME;
+       dev_warn(&hdev->pdev->dev, "sync with VF timeout!\n");
 }
 
 void hclge_report_hw_error(struct hclge_dev *hdev,
@@ -3600,12 +3599,7 @@ static int hclge_reset_prepare_wait(struct hclge_dev *hdev)
 
        switch (hdev->reset_type) {
        case HNAE3_FUNC_RESET:
-               /* to confirm whether all running VF is ready
-                * before request PF reset
-                */
-               ret = hclge_func_reset_sync_vf(hdev);
-               if (ret)
-                       return ret;
+               hclge_func_reset_sync_vf(hdev);
 
                ret = hclge_func_reset_cmd(hdev, 0);
                if (ret) {
@@ -3623,12 +3617,7 @@ static int hclge_reset_prepare_wait(struct hclge_dev *hdev)
                hdev->rst_stats.pf_rst_cnt++;
                break;
        case HNAE3_FLR_RESET:
-               /* to confirm whether all running VF is ready
-                * before request PF reset
-                */
-               ret = hclge_func_reset_sync_vf(hdev);
-               if (ret)
-                       return ret;
+               hclge_func_reset_sync_vf(hdev);
                break;
        case HNAE3_IMP_RESET:
                hclge_handle_imp_error(hdev);