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iucv: Delay bus registration until core is ready. 

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); rc = register_external_interrupt(0x4000, iucv_external_interrupt);
if (rc) if (rc)
goto out; goto out;
rc = bus_register(&iucv_bus);
if (rc)
goto out_int;
iucv_root = s390_root_dev_register("iucv"); iucv_root = s390_root_dev_register("iucv");
if (IS_ERR(iucv_root)) { if (IS_ERR(iucv_root)) {
rc = PTR_ERR(iucv_root); rc = PTR_ERR(iucv_root);
goto out_bus; goto out_int;
} }
for_each_online_cpu(cpu) { for_each_online_cpu(cpu) {
@ -1634,13 +1631,20 @@ static int __init iucv_init(void)
goto out_free; 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_listener, 16);
ASCEBC(iucv_error_no_memory, 16); ASCEBC(iucv_error_no_memory, 16);
ASCEBC(iucv_error_pathid, 16); ASCEBC(iucv_error_pathid, 16);
iucv_available = 1; iucv_available = 1;
rc = bus_register(&iucv_bus);
if (rc)
goto out_cpu;
return 0; return 0;
out_cpu:
unregister_hotcpu_notifier(&iucv_cpu_notifier);
out_free: out_free:
for_each_possible_cpu(cpu) { for_each_possible_cpu(cpu) {
kfree(iucv_param[cpu]); kfree(iucv_param[cpu]);
@ -1649,8 +1653,6 @@ out_free:
iucv_irq_data[cpu] = NULL; iucv_irq_data[cpu] = NULL;
} }
s390_root_dev_unregister(iucv_root); s390_root_dev_unregister(iucv_root);
out_bus:
bus_unregister(&iucv_bus);
out_int: out_int:
unregister_external_interrupt(0x4000, iucv_external_interrupt); unregister_external_interrupt(0x4000, iucv_external_interrupt);
out: out: