summaryrefslogtreecommitdiffstats
path: root/net/phonet
diff options
context:
space:
mode:
authorremi.denis-courmont@nokia <remi.denis-courmont@nokia>2009-01-23 04:00:28 +0100
committerDavid S. Miller <davem@davemloft.net>2009-01-27 06:03:34 +0100
commit660f706d931d4795d341805e083a8091af74fa88 (patch)
treeac5cc51b70b0c30c1835362eaf883df965bb27f9 /net/phonet
parentPhonet: allow phonet_device_init() to fail, put it to __init section (diff)
downloadlinux-660f706d931d4795d341805e083a8091af74fa88.tar.xz
linux-660f706d931d4795d341805e083a8091af74fa88.zip
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>
Diffstat (limited to 'net/phonet')
-rw-r--r--net/phonet/pn_dev.c8
-rw-r--r--net/phonet/pn_netlink.c13
2 files changed, 15 insertions, 6 deletions
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index af49db01d634..fd418107652b 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 242fe8f8c322..918a4f07f24a 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;
}