-stable review patch. If anyone has any objections, please let us know.
------------------
From: Eric W. Biederman <[email protected]>
While enhancing the neighbour code to handle multiple network
namespaces I noticed that decnet is assuming neigh_parms_alloc
will allways succeed, which is clearly wrong. So handle the
failure.
Signed-off-by: Eric W. Biederman <[email protected]>
Acked-by: Steven Whitehouse <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---
net/decnet/dn_dev.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- linux-2.6.19.2.orig/net/decnet/dn_dev.c
+++ linux-2.6.19.2/net/decnet/dn_dev.c
@@ -1116,16 +1116,23 @@ struct dn_dev *dn_dev_create(struct net_
init_timer(&dn_db->timer);
dn_db->uptime = jiffies;
+
+ dn_db->neigh_parms = neigh_parms_alloc(dev, &dn_neigh_table);
+ if (!dn_db->neigh_parms) {
+ dev->dn_ptr = NULL;
+ kfree(dn_db);
+ return NULL;
+ }
+
if (dn_db->parms.up) {
if (dn_db->parms.up(dev) < 0) {
+ neigh_parms_release(&dn_neigh_table, dn_db->neigh_parms);
dev->dn_ptr = NULL;
kfree(dn_db);
return NULL;
}
}
- dn_db->neigh_parms = neigh_parms_alloc(dev, &dn_neigh_table);
-
dn_dev_sysctl_register(dev, &dn_db->parms);
dn_dev_set_timer(dev);
--
-
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