net: hns3: Fix get_vector ops in hclgevf_main module
authorYunsheng Lin <linyunsheng@huawei.com>
Fri, 6 Jul 2018 10:28:02 +0000 (11:28 +0100)
committerDavid S. Miller <davem@davemloft.net>
Sat, 7 Jul 2018 02:13:07 +0000 (11:13 +0900)
The hclgevf_free_vector function expects the caller to pass
the vector_id to it, and hclgevf_put_vector pass vector to
it now, which will cause vector allocation problem.

This patch fixes it by converting vector into vector_id before
calling hclgevf_free_vector.

Fixes: e2cb1dec9779 ("net: hns3: Add HNS3 VF HCL(Hardware Compatibility Layer) Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c

index 5a8653238e3f6fd8a5dedd56c9ae49e8eaece5c0..d1f16f0c1646f45b91d67713c8e95d3413eb53f8 100644 (file)
@@ -658,8 +658,17 @@ static int hclgevf_unmap_ring_from_vector(
 static int hclgevf_put_vector(struct hnae3_handle *handle, int vector)
 {
        struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+       int vector_id;
+
+       vector_id = hclgevf_get_vector_index(hdev, vector);
+       if (vector_id < 0) {
+               dev_err(&handle->pdev->dev,
+                       "hclgevf_put_vector get vector index fail. ret =%d\n",
+                       vector_id);
+               return vector_id;
+       }
 
-       hclgevf_free_vector(hdev, vector);
+       hclgevf_free_vector(hdev, vector_id);
 
        return 0;
 }