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[IPV4/IPV6]: Fail registration if inet device construction fails

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Now that netdev notifications can fail, we can use this to signal
errors during registration for IPv4/IPv6.  In particular, if we
fail to allocate memory for the inet device, we can fail the netdev
registration.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu
2007-07-30 17:04:52 -07:00
committed by David S. Miller
parent fcc5a03ac4
commit b217d616a1
2 changed files with 7 additions and 6 deletions
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5
net/ipv4/devinet.c
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@@ -1056,10 +1056,9 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
if (!in_dev) {
if (event == NETDEV_REGISTER) {
in_dev = inetdev_init(dev);
if (!in_dev)
return notifier_from_errno(-ENOMEM);
if (dev == &loopback_dev) {
if (!in_dev)
panic("devinet: "
"Failed to create loopback\n");
IN_DEV_CONF_SET(in_dev, NOXFRM, 1);
IN_DEV_CONF_SET(in_dev, NOPOLICY, 1);
}