net: compat_mmsghdr must be used in sys_recvmmsg

[safe/jmp/linux-2.6] / net / netrom / nr_route.c

diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index e943c16..aacba76 100644 (file)
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -597,15 +597,15 @@ struct net_device *nr_dev_first(void)
 {
        struct net_device *dev, *first = NULL;
 
-       read_lock(&dev_base_lock);
-       for_each_netdev(&init_net, dev) {
+       rcu_read_lock();
+       for_each_netdev_rcu(&init_net, dev) {
                if ((dev->flags & IFF_UP) && dev->type == ARPHRD_NETROM)
                        if (first == NULL || strncmp(dev->name, first->name, 3) < 0)
                                first = dev;
        }
        if (first)
                dev_hold(first);
-       read_unlock(&dev_base_lock);
+       rcu_read_unlock();
 
        return first;
 }
@@ -617,36 +617,37 @@ struct net_device *nr_dev_get(ax25_address *addr)
 {
        struct net_device *dev;
 
-       read_lock(&dev_base_lock);
-       for_each_netdev(&init_net, dev) {
-               if ((dev->flags & IFF_UP) && dev->type == ARPHRD_NETROM && ax25cmp(addr, (ax25_address *)dev->dev_addr) == 0) {
+       rcu_read_lock();
+       for_each_netdev_rcu(&init_net, dev) {
+               if ((dev->flags & IFF_UP) && dev->type == ARPHRD_NETROM &&
+                   ax25cmp(addr, (ax25_address *)dev->dev_addr) == 0) {
                        dev_hold(dev);
                        goto out;
                }
        }
        dev = NULL;
 out:
-       read_unlock(&dev_base_lock);
+       rcu_read_unlock();
        return dev;
 }
 
-static ax25_digi *nr_call_to_digi(int ndigis, ax25_address *digipeaters)
+static ax25_digi *nr_call_to_digi(ax25_digi *digi, int ndigis,
+       ax25_address *digipeaters)
 {
-       static ax25_digi ax25_digi;
        int i;
 
        if (ndigis == 0)
                return NULL;
 
        for (i = 0; i < ndigis; i++) {
-               ax25_digi.calls[i]    = digipeaters[i];
-               ax25_digi.repeated[i] = 0;
+               digi->calls[i]    = digipeaters[i];
+               digi->repeated[i] = 0;
        }
 
-       ax25_digi.ndigi      = ndigis;
-       ax25_digi.lastrepeat = -1;
+       digi->ndigi      = ndigis;
+       digi->lastrepeat = -1;
 
-       return &ax25_digi;
+       return digi;
 }
 
 /*
@@ -656,6 +657,7 @@ int nr_rt_ioctl(unsigned int cmd, void __user *arg)
 {
        struct nr_route_struct nr_route;
        struct net_device *dev;
+       ax25_digi digi;
        int ret;
 
        switch (cmd) {
@@ -673,13 +675,15 @@ int nr_rt_ioctl(unsigned int cmd, void __user *arg)
                        ret = nr_add_node(&nr_route.callsign,
                                nr_route.mnemonic,
                                &nr_route.neighbour,
-                               nr_call_to_digi(nr_route.ndigis, nr_route.digipeaters),
+                               nr_call_to_digi(&digi, nr_route.ndigis,
+                                               nr_route.digipeaters),
                                dev, nr_route.quality,
                                nr_route.obs_count);
                        break;
                case NETROM_NEIGH:
                        ret = nr_add_neigh(&nr_route.callsign,
-                               nr_call_to_digi(nr_route.ndigis, nr_route.digipeaters),
+                               nr_call_to_digi(&digi, nr_route.ndigis,
+                                               nr_route.digipeaters),
                                dev, nr_route.quality);
                        break;
                default: