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authorEric W. Biederman <ebiederm@xmission.com>2007-01-26 02:51:51 +0300
committerDavid S. Miller <davem@davemloft.net>2007-01-26 02:51:51 +0300
commit95743deb34de29defbb98ad477700aaf344f93f3 (patch)
treeabc0e49488dcc4e36bdb0f3d211a6cd5a5be0544 /net
parent24cb230b587cf3aad8794b150682d8d8303a2120 (diff)
downloadlinux-95743deb34de29defbb98ad477700aaf344f93f3.tar.xz
[DECNET]: Handle a failure in neigh_parms_alloc (take 2)
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 <ebiederm@xmission.com> Acked-by: Steven Whitehouse <steve@chygwyn.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/decnet/dn_dev.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index fc6f3c023a54..ed083ab455b7 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -1145,16 +1145,23 @@ struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
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);