patch-2.4.20 linux-2.4.20/net/decnet/dn_route.c

• Lines: 27
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/net/decnet/dn_route.c
• Orig date: Fri Dec 21 09:42:05 2001

diff -urN linux-2.4.19/net/decnet/dn_route.c linux-2.4.20/net/decnet/dn_route.c
@@ -35,6 +35,8 @@
  *                                 are numbered!
  *              Steve Whitehouse : Added return-to-sender functions. Added
  *                                 backlog congestion level return codes.
+ *		Steve Whitehouse : Fixed bug where routes were set up with
+ *                                 no ref count on net devices.
  *                                 
  */
 
@@ -801,6 +803,8 @@
 
 	rt->u.dst.neighbour = neigh;
 	rt->u.dst.dev = neigh ? neigh->dev : NULL;
+	if (rt->u.dst.dev)
+		dev_hold(rt->u.dst.dev);
 	rt->u.dst.lastuse = jiffies;
 	rt->u.dst.output = dn_output;
 	rt->u.dst.input  = dn_rt_bug;
@@ -978,6 +982,8 @@
 
 	rt->u.dst.neighbour = neigh;
 	rt->u.dst.dev = neigh ? neigh->dev : NULL;
+	if (rt->u.dst.dev)
+		dev_hold(rt->u.dst.dev);
 	rt->u.dst.lastuse = jiffies;
 	rt->u.dst.output = dnrt_output;
 	rt->u.dst.input = dnrt_input;