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net: hns3: add vector status check before free vector

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If the hdev->vector_status[vector_id] is already HCLGE_INVALID_VPORT,
should log the error and return.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peng Li 2018-06-28 12:12:21 +08:00 committed by David S. Miller
parent e718a93fee
commit 36cbbdf643
2 changed files with 12 additions and 0 deletions
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6
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
View file

@ -2614,6 +2614,12 @@ static irqreturn_t hclge_misc_irq_handle(int irq, void *data)
static void hclge_free_vector(struct hclge_dev *hdev, int vector_id)
{
if (hdev->vector_status[vector_id] == HCLGE_INVALID_VPORT) {
dev_warn(&hdev->pdev->dev,
"vector(vector_id %d) has been freed.\n", vector_id);
return;
}
hdev->vector_status[vector_id] = HCLGE_INVALID_VPORT;
hdev->num_msi_left += 1;
hdev->num_msi_used -= 1;

6
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
View file

@ -330,6 +330,12 @@ static int hclgevf_set_handle_info(struct hclgevf_dev *hdev)
static void hclgevf_free_vector(struct hclgevf_dev *hdev, int vector_id)
{
if (hdev->vector_status[vector_id] == HCLGEVF_INVALID_VPORT) {
dev_warn(&hdev->pdev->dev,
"vector(vector_id %d) has been freed.\n", vector_id);
return;
}
hdev->vector_status[vector_id] = HCLGEVF_INVALID_VPORT;
hdev->num_msi_left += 1;
hdev->num_msi_used -= 1;