diff options
| author |   Huazhong Tan <tanhuazhong@huawei.com> | 2019-04-04 16:17:57 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-04-04 10:20:39 -0700 |
| commit | 6ff7ed8049ebf932643eee8680bb1d75691fa801 (patch) | |
| tree | 537d9923b01447d5a08f50eab2c520b3f11b244a /drivers | |
| parent | net: hns3: check resetting status in hns3_get_stats() (diff) | |
| download | linux-dev-6ff7ed8049ebf932643eee8680bb1d75691fa801.tar.xz linux-dev-6ff7ed8049ebf932643eee8680bb1d75691fa801.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 476c23dc2c2e..0e31f740f1db 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -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; |