UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

net: hns3: add protect when handling mac addr list 

It used netdev->uc and netdev->mc list in function
hns3_recover_hw_addr() and hns3_remove_hw_addr().
We should add protect for them.

Fixes: f05e210971 ("net: hns3: Clear mac vlan table entries when unload driver or function reset")
Signed-off-by: Jian Shen <shenjian15@huawei.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:
Jian Shen 2019-04-04 16:17:55 +08:00 committed by David S. Miller
parent ffd0a922cd
commit 389775a660
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
View File

@ -3791,12 +3791,13 @@ static int hns3_recover_hw_addr(struct net_device *ndev)
struct netdev_hw_addr *ha, *tmp;
int ret = 0;
netif_addr_lock_bh(ndev);
/* go through and sync uc_addr entries to the device */
list = &ndev->uc;
list_for_each_entry_safe(ha, tmp, &list->list, list) {
ret = hns3_nic_uc_sync(ndev, ha->addr);
if (ret)
return ret;
goto out;
}
/* go through and sync mc_addr entries to the device */
@ -3804,9 +3805,11 @@ static int hns3_recover_hw_addr(struct net_device *ndev)
list_for_each_entry_safe(ha, tmp, &list->list, list) {
ret = hns3_nic_mc_sync(ndev, ha->addr);
if (ret)
return ret;
goto out;
}
out:
netif_addr_unlock_bh(ndev);
return ret;
}
@ -3817,6 +3820,7 @@ static void hns3_remove_hw_addr(struct net_device *netdev)
hns3_nic_uc_unsync(netdev, netdev->dev_addr);
netif_addr_lock_bh(netdev);
/* go through and unsync uc_addr entries to the device */
list = &netdev->uc;
list_for_each_entry_safe(ha, tmp, &list->list, list)
@ -3827,6 +3831,8 @@ static void hns3_remove_hw_addr(struct net_device *netdev)
list_for_each_entry_safe(ha, tmp, &list->list, list)
if (ha->refcount > 1)
hns3_nic_mc_unsync(netdev, ha->addr);
netif_addr_unlock_bh(netdev);
}
static void hns3_clear_tx_ring(struct hns3_enet_ring *ring)