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[NET] loopback: Panic if registration fails

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Because IPv4 and IPv6 both depend on the presence of the loopback
device to function, failure in registration the loopback device should
be fatal.

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 16:37:19 -07:00 committed by David S. Miller
parent 7f988eab57
commit aeed9e82cd
1 changed files with 6 additions and 1 deletions
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7
drivers/net/loopback.c
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@ -229,7 +229,12 @@ struct net_device loopback_dev = {
/* Setup and register the loopback device. */
static int __init loopback_init(void)
{
return register_netdev(&loopback_dev);
int err = register_netdev(&loopback_dev);
if (err)
panic("loopback: Failed to register netdevice: %d\n", err);
return err;
};
module_init(loopback_init);