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net: hns3: modify handling of out of memory in hclge_err.c

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Users should be informed if HNS driver failed to allocate memory for
descriptor when handling hw errors. This patch solve above issues.

Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Weihang Li 2019-06-20 16:52:40 +08:00 committed by David S. Miller
parent 2253db16f8
commit b4b9bd92fe
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
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@ -1859,7 +1859,7 @@ static int hclge_handle_all_hw_msix_error(struct hclge_dev *hdev,
if (ret) {
dev_err(dev, "fail(%d) to query msix int status bd num\n",
ret);
return ret;
goto out;
}
mpf_bd_num = le32_to_cpu(desc_bd.data[0]);
@ -1867,8 +1867,10 @@ static int hclge_handle_all_hw_msix_error(struct hclge_dev *hdev,
bd_num = max_t(u32, mpf_bd_num, pf_bd_num);
desc = kcalloc(bd_num, sizeof(struct hclge_desc), GFP_KERNEL);
if (!desc)
if (!desc) {
ret = -ENOMEM;
goto out;
}
ret = hclge_handle_mpf_msix_error(hdev, desc, mpf_bd_num,
reset_requests);