luck/tmp_suning_uos_patched
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iucv: Delay bus registration until core is ready.

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If we register the iucv bus after the infrastructure is ready,
userspace can start relying on it when it receives the uevent
for the bus.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cornelia Huck 2008-04-10 02:12:45 -07:00 committed by David S. Miller
parent 9284d6c704
commit 2d7bf36746
1 changed files with 9 additions and 7 deletions
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16
net/iucv/iucv.c
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@ -1608,13 +1608,10 @@ static int __init iucv_init(void)
rc = register_external_interrupt(0x4000, iucv_external_interrupt);
if (rc)
goto out;
rc = bus_register(&iucv_bus);
if (rc)
goto out_int;
iucv_root = s390_root_dev_register("iucv");
if (IS_ERR(iucv_root)) {
rc = PTR_ERR(iucv_root);
goto out_bus;
goto out_int;
}
for_each_online_cpu(cpu) {
@ -1634,13 +1631,20 @@ static int __init iucv_init(void)
goto out_free;
}
}
register_hotcpu_notifier(&iucv_cpu_notifier);
rc = register_hotcpu_notifier(&iucv_cpu_notifier);
if (rc)
goto out_free;
ASCEBC(iucv_error_no_listener, 16);
ASCEBC(iucv_error_no_memory, 16);
ASCEBC(iucv_error_pathid, 16);
iucv_available = 1;
rc = bus_register(&iucv_bus);
if (rc)
goto out_cpu;
return 0;
out_cpu:
unregister_hotcpu_notifier(&iucv_cpu_notifier);
out_free:
for_each_possible_cpu(cpu) {
kfree(iucv_param[cpu]);
@ -1649,8 +1653,6 @@ static int __init iucv_init(void)
iucv_irq_data[cpu] = NULL;
}
s390_root_dev_unregister(iucv_root);
out_bus:
bus_unregister(&iucv_bus);
out_int:
unregister_external_interrupt(0x4000, iucv_external_interrupt);
out: