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net/iucv: Use explicit clean up labels in iucv_init()

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Ursula suggested to use explicit labels for clean up in the error path
instead of one `out_free' label, which handles multiple exits, introduced
in commit 38b482929e ("net/iucv: Convert to hotplug state machine").

Suggested-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-s390@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: rt@linutronix.de
Cc: "David S. Miller" <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20161124161013.dukr42y2nwscosk6@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Sebastian Andrzej Siewior 2016-11-24 17:10:13 +01:00 committed by Thomas Gleixner
parent c8b877a5e5
commit 9c6bafab03
1 changed files with 7 additions and 7 deletions
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14
net/iucv/iucv.c
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@ -2038,16 +2038,16 @@ static int __init iucv_init(void)
rc = cpuhp_setup_state(CPUHP_NET_IUCV_PREPARE, "net/iucv:prepare",
iucv_cpu_prepare, iucv_cpu_dead);
if (rc)
goto out_free;
goto out_dev;
rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "net/iucv:online",
iucv_cpu_online, iucv_cpu_down_prep);
if (rc < 0)
goto out_free;
goto out_prep;
iucv_online = rc;
rc = register_reboot_notifier(&iucv_reboot_notifier);
if (rc)
goto out_free;
goto out_remove_hp;
ASCEBC(iucv_error_no_listener, 16);
ASCEBC(iucv_error_no_memory, 16);
ASCEBC(iucv_error_pathid, 16);
@ -2061,11 +2061,11 @@ static int __init iucv_init(void)
out_reboot:
unregister_reboot_notifier(&iucv_reboot_notifier);
out_free:
if (iucv_online)
cpuhp_remove_state(iucv_online);
out_remove_hp:
cpuhp_remove_state(iucv_online);
out_prep:
cpuhp_remove_state(CPUHP_NET_IUCV_PREPARE);
out_dev:
root_device_unregister(iucv_root);
out_int:
unregister_external_irq(EXT_IRQ_IUCV, iucv_external_interrupt);