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authorremi.denis-courmont@nokia <remi.denis-courmont@nokia>2009-01-23 03:00:28 +0000
committerDavid S. Miller <davem@davemloft.net>2009-01-26 21:03:34 -0800
commit660f706d931d4795d341805e083a8091af74fa88 (patch)
treeac5cc51b70b0c30c1835362eaf883df965bb27f9
parent76e02cf6945e6faa9f6b546dc0513512197c5966 (diff)
Phonet: handle rtnetlink registration failure
Signed-off-by: RĂ©mi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/phonet/pn_dev.h2
-rw-r--r--net/phonet/pn_dev.c8
-rw-r--r--net/phonet/pn_netlink.c13
3 files changed, 16 insertions, 7 deletions
diff --git a/include/net/phonet/pn_dev.h b/include/net/phonet/pn_dev.h
index 59ae628b111..4ba2aedaa50 100644
--- a/include/net/phonet/pn_dev.h
+++ b/include/net/phonet/pn_dev.h
@@ -38,7 +38,7 @@ struct phonet_device {
int phonet_device_init(void);
void phonet_device_exit(void);
-void phonet_netlink_register(void);
+int phonet_netlink_register(void);
struct net_device *phonet_device_get(struct net *net);
int phonet_address_add(struct net_device *dev, u8 addr);
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index af49db01d63..fd418107652 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -190,9 +190,13 @@ static struct notifier_block phonet_device_notifier = {
/* Initialize Phonet devices list */
int __init phonet_device_init(void)
{
+ int err;
+
register_netdevice_notifier(&phonet_device_notifier);
- phonet_netlink_register();
- return 0;
+ err = phonet_netlink_register();
+ if (err)
+ phonet_device_exit();
+ return err;
}
void phonet_device_exit(void)
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index 242fe8f8c32..918a4f07f24 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -160,9 +160,14 @@ out:
return skb->len;
}
-void __init phonet_netlink_register(void)
+int __init phonet_netlink_register(void)
{
- rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit, NULL);
- rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL);
- rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit);
+ int err = __rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit, NULL);
+ if (err)
+ return err;
+
+ /* Further __rtnl_register() cannot fail */
+ __rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL);
+ __rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit);
+ return 0;
}