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net: hns3: Reset net device with rtnl_lock 

Since current locking was not covering certain code where
netdev was being accessed or manipulated, this patch fixes
it.

Signed-off-by: Huazhong Tan <tanhuazhong@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>
This commit is contained in:
Huazhong Tan 2018-07-16 16:36:20 +01:00 committed by David S. Miller
parent 1b3725781a
commit 6d4fab3953
1 changed files with 2 additions and 3 deletions
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5
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
View File

@ -2820,15 +2820,13 @@ static void hclge_clear_reset_cause(struct hclge_dev *hdev)
static void hclge_reset(struct hclge_dev *hdev)
{
/* perform reset of the stack & ae device for a client */
rtnl_lock();
hclge_notify_client(hdev, HNAE3_DOWN_CLIENT);
if (!hclge_reset_wait(hdev)) {
rtnl_lock();
hclge_notify_client(hdev, HNAE3_UNINIT_CLIENT);
hclge_reset_ae_dev(hdev->ae_dev);
hclge_notify_client(hdev, HNAE3_INIT_CLIENT);
rtnl_unlock();
hclge_clear_reset_cause(hdev);
} else {
@ -2838,6 +2836,7 @@ static void hclge_reset(struct hclge_dev *hdev)
}
hclge_notify_client(hdev, HNAE3_UP_CLIENT);
rtnl_unlock();
}
static void hclge_reset_event(struct hnae3_handle *handle)