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Subject[PATCH AUTOSEL 4.18 010/136] net: hns3: Fix get_vector ops in hclgevf_main module
Date
From: Yunsheng Lin <linyunsheng@huawei.com>

[ Upstream commit 03718db97bfb57535f3aa8110f0cbe0c616a67c0 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
.../net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index a17872aab168..12aa1f1b99ef 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -648,8 +648,17 @@ 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;

- hclgevf_free_vector(hdev, vector);
+ 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_id);

return 0;
}
--
2.17.1
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