linux-2.6.7/net/8021q/vlan.c: add error check

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Hi list,
the patches are still for 2.6.7.
The remaining issues are solved (hopefully). i have added spaces before and after "=".
in ipx i moved the __init strings back and added a comment form acme to say why.

unfortunly my hopes of having a working smtp mail system didnt come true. so i have still to use c&p what may result in <tab> -> <space> probelms.

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add error check for register_netdevice_notifier()

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 linux-2.6.10-rc2-bk4-max/net/8021q/vlan.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletion(-)

diff -puN net/8021q/vlan.c~check-register_netdevice_notifier-net_8021q_vlan net/8021q/vlan.c
@@ -102,7 +102,12 @@ static int __init vlan_proto_init(void)
 	dev_add_pack(&vlan_packet_type);
 
 	/* Register us to receive netdevice events */
-	register_netdevice_notifier(&vlan_notifier_block);
+	err = register_netdevice_notifier(&vlan_notifier_block);
+	if (err < 0) {
+		dev_remove_pack(&vlan_packet_type);
+		vlan_proc_cleanup();
+		return 1;
+	}
 
 	vlan_ioctl_set(vlan_ioctl_handler);
 

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