From: Yufeng Mo moyufeng@huawei.com
mainline inclusion from mainline-v5.15-rc3 commit 5126b9d3d4acdebc12b9d436282f88d8a1b5146c category: bugfix bugzilla: NA CVE: NA
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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: 46a3df9f9718 ("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 Signed-off-by: Yonglong Liu liuyonglong@huawei.com Reviewed-by: li yongxin liyongxin1@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 81c055ebcb389..4a60849851a2d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -9482,7 +9482,8 @@ 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; @@ -9500,7 +9501,9 @@ 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) @@ -9519,7 +9522,7 @@ 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; @@ -9535,7 +9538,11 @@ 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;