1 files changed, 6 insertions, 2 deletions

diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index e9c05b8f4f45..4e705f87969f 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1082,7 +1082,11 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock,
 
         SOCK_DEBUG(sk, "NET/ROM: sendto: Addresses built.\n");
 
-        /* Build a packet */
+        /* Build a packet - the conventional user limit is 236 bytes. We can
+           do ludicrously large NetROM frames but must not overflow */
+        if (len > 65536)
+                return -EMSGSIZE;
+
         SOCK_DEBUG(sk, "NET/ROM: sendto: building packet.\n");
         size = len + NR_NETWORK_LEN + NR_TRANSPORT_LEN;
 
@@ -1432,7 +1436,7 @@ static int __init nr_proto_init(void)
                 struct net_device *dev;
 
                 sprintf(name, "nr%d", i);
-                dev = alloc_netdev(sizeof(struct nr_private), name, nr_setup);
+                dev = alloc_netdev(0, name, nr_setup);
                 if (!dev) {
                         printk(KERN_ERR "NET/ROM: nr_proto_init - unable to allocate device structure\n");
                         goto fail;