diff options
author | Jiri Pirko <jpirko@redhat.com> | 2010-05-18 05:42:40 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-06-02 03:39:41 -0700 |
commit | b15ba0fbdc2e54c3885fed91c54aeef7fe474033 (patch) | |
tree | bc51f9675212866b4f7ae68fd54fa28b3e85e6d0 | |
parent | 64585909996de7deaf8aa5cf7629d775b16ee417 (diff) |
bonding: move slave MTU handling from sysfs V2
V1->V2: corrected res/ret use
For some reason, MTU handling (storing, and restoring) is taking place in
bond_sysfs. The correct place for this code is in bond_enslave, bond_release.
So move it there.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | drivers/net/bonding/bond_main.c | 15 | ||||
-rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 22 |
2 files changed, 16 insertions, 21 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 5e12462a9d5e..2c3f9db91b50 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1533,6 +1533,14 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) */ new_slave->original_flags = slave_dev->flags; + /* Save slave's original mtu and then set it to match the bond */ + new_slave->original_mtu = slave_dev->mtu; + res = dev_set_mtu(slave_dev, bond->dev->mtu); + if (res) { + pr_debug("Error %d calling dev_set_mtu\n", res); + goto err_free; + } + /* * Save slave's original ("permanent") mac address for modes * that need it, and for restoring it upon release, and then @@ -1550,7 +1558,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) res = dev_set_mac_address(slave_dev, &addr); if (res) { pr_debug("Error %d calling set_mac_address\n", res); - goto err_free; + goto err_restore_mtu; } } @@ -1785,6 +1793,9 @@ err_restore_mac: dev_set_mac_address(slave_dev, &addr); } +err_restore_mtu: + dev_set_mtu(slave_dev, new_slave->original_mtu); + err_free: kfree(new_slave); @@ -1969,6 +1980,8 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) dev_set_mac_address(slave_dev, &addr); } + dev_set_mtu(slave_dev, slave->original_mtu); + slave_dev->priv_flags &= ~(IFF_MASTER_8023AD | IFF_MASTER_ALB | IFF_SLAVE_INACTIVE | IFF_BONDING | IFF_SLAVE_NEEDARP); diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 392e29115c3c..29a7a8a6d16f 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -220,7 +220,6 @@ static ssize_t bonding_store_slaves(struct device *d, char command[IFNAMSIZ + 1] = { 0, }; char *ifname; int i, res, ret = count; - u32 original_mtu; struct slave *slave; struct net_device *dev = NULL; struct bonding *bond = to_bond(d); @@ -281,18 +280,7 @@ static ssize_t bonding_store_slaves(struct device *d, memcpy(bond->dev->dev_addr, dev->dev_addr, dev->addr_len); - /* Set the slave's MTU to match the bond */ - original_mtu = dev->mtu; - res = dev_set_mtu(dev, bond->dev->mtu); - if (res) { - ret = res; - goto out; - } - res = bond_enslave(bond->dev, dev); - bond_for_each_slave(bond, slave, i) - if (strnicmp(slave->dev->name, ifname, IFNAMSIZ) == 0) - slave->original_mtu = original_mtu; if (res) ret = res; @@ -301,23 +289,17 @@ static ssize_t bonding_store_slaves(struct device *d, if (command[0] == '-') { dev = NULL; - original_mtu = 0; bond_for_each_slave(bond, slave, i) if (strnicmp(slave->dev->name, ifname, IFNAMSIZ) == 0) { dev = slave->dev; - original_mtu = slave->original_mtu; break; } if (dev) { pr_info("%s: Removing slave %s\n", bond->dev->name, dev->name); - res = bond_release(bond->dev, dev); - if (res) { + res = bond_release(bond->dev, dev); + if (res) ret = res; - goto out; - } - /* set the slave MTU to the default */ - dev_set_mtu(dev, original_mtu); } else { pr_err("unable to remove non-existent slave %s for bond %s.\n", ifname, bond->dev->name); |