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-rw-r--r--drivers/net/bonding/bond_main.c33
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 5e12462a9d5e..c3d98dde2f86 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -168,7 +168,7 @@ static int arp_ip_count;
168static int bond_mode = BOND_MODE_ROUNDROBIN; 168static int bond_mode = BOND_MODE_ROUNDROBIN;
169static int xmit_hashtype = BOND_XMIT_POLICY_LAYER2; 169static int xmit_hashtype = BOND_XMIT_POLICY_LAYER2;
170static int lacp_fast; 170static int lacp_fast;
171 171static int disable_netpoll = 1;
172 172
173const struct bond_parm_tbl bond_lacp_tbl[] = { 173const struct bond_parm_tbl bond_lacp_tbl[] = {
174{ "slow", AD_LACP_SLOW}, 174{ "slow", AD_LACP_SLOW},
@@ -1742,15 +1742,23 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
1742 bond_set_carrier(bond); 1742 bond_set_carrier(bond);
1743 1743
1744#ifdef CONFIG_NET_POLL_CONTROLLER 1744#ifdef CONFIG_NET_POLL_CONTROLLER
1745 if (slaves_support_netpoll(bond_dev)) { 1745 /*
1746 bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL; 1746 * Netpoll and bonding is broken, make sure it is not initialized
1747 if (bond_dev->npinfo) 1747 * until it is fixed.
1748 slave_dev->npinfo = bond_dev->npinfo; 1748 */
1749 } else if (!(bond_dev->priv_flags & IFF_DISABLE_NETPOLL)) { 1749 if (disable_netpoll) {
1750 bond_dev->priv_flags |= IFF_DISABLE_NETPOLL; 1750 bond_dev->priv_flags |= IFF_DISABLE_NETPOLL;
1751 pr_info("New slave device %s does not support netpoll\n", 1751 } else {
1752 slave_dev->name); 1752 if (slaves_support_netpoll(bond_dev)) {
1753 pr_info("Disabling netpoll support for %s\n", bond_dev->name); 1753 bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
1754 if (bond_dev->npinfo)
1755 slave_dev->npinfo = bond_dev->npinfo;
1756 } else if (!(bond_dev->priv_flags & IFF_DISABLE_NETPOLL)) {
1757 bond_dev->priv_flags |= IFF_DISABLE_NETPOLL;
1758 pr_info("New slave device %s does not support netpoll\n",
1759 slave_dev->name);
1760 pr_info("Disabling netpoll support for %s\n", bond_dev->name);
1761 }
1754 } 1762 }
1755#endif 1763#endif
1756 read_unlock(&bond->lock); 1764 read_unlock(&bond->lock);
@@ -1950,8 +1958,11 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
1950 1958
1951#ifdef CONFIG_NET_POLL_CONTROLLER 1959#ifdef CONFIG_NET_POLL_CONTROLLER
1952 read_lock_bh(&bond->lock); 1960 read_lock_bh(&bond->lock);
1953 if (slaves_support_netpoll(bond_dev)) 1961
1954 bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL; 1962 /* Make sure netpoll over stays disabled until fixed. */
1963 if (!disable_netpoll)
1964 if (slaves_support_netpoll(bond_dev))
1965 bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
1955 read_unlock_bh(&bond->lock); 1966 read_unlock_bh(&bond->lock);
1956 if (slave_dev->netdev_ops->ndo_netpoll_cleanup) 1967 if (slave_dev->netdev_ops->ndo_netpoll_cleanup)
1957 slave_dev->netdev_ops->ndo_netpoll_cleanup(slave_dev); 1968 slave_dev->netdev_ops->ndo_netpoll_cleanup(slave_dev);