bridge: Add multicast forwarding functions

[safe/jmp/linux-2.6] / net / bridge / br_ioctl.c

diff --git a/net/bridge/br_ioctl.c b/net/bridge/br_ioctl.c
index 3ec1c63..2af6e4a 100644 (file)
--- a/net/bridge/br_ioctl.c
+++ b/net/bridge/br_ioctl.c
@@ -81,6 +81,7 @@ static int get_fdb_entries(struct net_bridge *br, void __user *userbuf,
        return num;
 }
 
+/* called with RTNL */
 static int add_del_if(struct net_bridge *br, int ifindex, int isadd)
 {
        struct net_device *dev;
@@ -89,7 +90,7 @@ static int add_del_if(struct net_bridge *br, int ifindex, int isadd)
        if (!capable(CAP_NET_ADMIN))
                return -EPERM;
 
-       dev = dev_get_by_index(dev_net(br->dev), ifindex);
+       dev = __dev_get_by_index(dev_net(br->dev), ifindex);
        if (dev == NULL)
                return -EINVAL;
 
@@ -98,7 +99,6 @@ static int add_del_if(struct net_bridge *br, int ifindex, int isadd)
        else
                ret = br_del_if(br, dev);
 
-       dev_put(dev);
        return ret;
 }
 
@@ -188,15 +188,21 @@ static int old_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
                return 0;
 
        case BRCTL_SET_BRIDGE_HELLO_TIME:
+       {
+               unsigned long t = clock_t_to_jiffies(args[1]);
                if (!capable(CAP_NET_ADMIN))
                        return -EPERM;
 
+               if (t < HZ)
+                       return -EINVAL;
+
                spin_lock_bh(&br->lock);
-               br->bridge_hello_time = clock_t_to_jiffies(args[1]);
+               br->bridge_hello_time = t;
                if (br_is_root_bridge(br))
                        br->hello_time = br->bridge_hello_time;
                spin_unlock_bh(&br->lock);
                return 0;
+       }
 
        case BRCTL_SET_BRIDGE_MAX_AGE:
                if (!capable(CAP_NET_ADMIN))