Commit 6ff7ed80 authored Apr 04, 2019 by Huazhong Tan Committed by David S. Miller Apr 04, 2019

net: hns3: prevent change MTU when resetting



When resetting, the changing of MTU is not allowed, so this patch
adds checking reset status in hns3_nic_change_mtu() to do that.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent c4e401e5

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1591,6 +1591,9 @@ static int hns3_nic_change_mtu(struct net_device *netdev, int new_mtu)
		struct hnae3_handle *h = hns3_get_handle(netdev);
		int ret;

		if (hns3_nic_resetting(netdev))
		return -EBUSY;

		if (!h->ae_algo->ops->set_mtu)
		return -EOPNOTSUPP;

Admin message