diff options
Diffstat (limited to 'drivers/net/bonding/bond_sysfs.c')
-rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 45 |
1 files changed, 11 insertions, 34 deletions
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 03bed0ca935e..c234cec10e05 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -283,49 +283,26 @@ static ssize_t bonding_store_mode(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - int new_value, ret = count; + int new_value, ret; struct bonding *bond = to_bond(d); - if (!rtnl_trylock()) - return restart_syscall(); - - if (bond->dev->flags & IFF_UP) { - pr_err("unable to update mode of %s because interface is up.\n", - bond->dev->name); - ret = -EPERM; - goto out; - } - - if (bond_has_slaves(bond)) { - pr_err("unable to update mode of %s because it has slaves.\n", - bond->dev->name); - ret = -EPERM; - goto out; - } - new_value = bond_parse_parm(buf, bond_mode_tbl); if (new_value < 0) { pr_err("%s: Ignoring invalid mode value %.*s.\n", bond->dev->name, (int)strlen(buf) - 1, buf); - ret = -EINVAL; - goto out; + return -EINVAL; } - if ((new_value == BOND_MODE_ALB || - new_value == BOND_MODE_TLB) && - bond->params.arp_interval) { - pr_err("%s: %s mode is incompatible with arp monitoring.\n", - bond->dev->name, bond_mode_tbl[new_value].modename); - ret = -EINVAL; - goto out; + if (!rtnl_trylock()) + return restart_syscall(); + + ret = bond_option_mode_set(bond, new_value); + if (!ret) { + pr_info("%s: setting mode to %s (%d).\n", + bond->dev->name, bond_mode_tbl[new_value].modename, + new_value); + ret = count; } - /* don't cache arp_validate between modes */ - bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; - bond->params.mode = new_value; - pr_info("%s: setting mode to %s (%d).\n", - bond->dev->name, bond_mode_tbl[new_value].modename, - new_value); -out: rtnl_unlock(); return ret; } |