[PATCH 5.10 073/104] net: hns3: add a check for queue_id in hclge_reset_vf_queue()

[Greg Kroah-Hartman]

From: Yufeng Mo <moyuf...@huawei.com>

[ Upstream commit 67a69f84cab60484f02eb8cbc7a76edffbb28a25 ]

The queue_id is received from vf, if use it directly,
an out-of-bound issue may be caused, so add a check for
this queue_id before using it in hclge_reset_vf_queue().

Fixes: 1a426f8b40fc ("net: hns3: fix the VF queue reset flow error")
Signed-off-by: Yufeng Mo <moyuf...@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazh...@huawei.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 4321132a4f630..c40820baf48a6 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -9404,12 +9404,19 @@ int hclge_reset_tqp(struct hnae3_handle *handle, u16 
queue_id)
 
 void hclge_reset_vf_queue(struct hclge_vport *vport, u16 queue_id)
 {
+       struct hnae3_handle *handle = &vport->nic;
        struct hclge_dev *hdev = vport->back;
        int reset_try_times = 0;
        int reset_status;
        u16 queue_gid;
        int ret;
 
+       if (queue_id >= handle->kinfo.num_tqps) {
+               dev_warn(&hdev->pdev->dev, "Invalid vf queue id(%u)\n",
+                        queue_id);
+               return;
+       }
+
        queue_gid = hclge_covert_handle_qid_global(&vport->nic, queue_id);
 
        ret = hclge_send_reset_tqp_cmd(hdev, queue_gid, true);
-- 
2.27.0