[NET] loopback: Panic if registration fails
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 <[EMAIL PROTECTED]>
---
drivers/net/loopback.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 6ba6ed2..5106c23 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -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);
-
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