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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2016-11-24 19:10:13 +0300
committerThomas Gleixner <tglx@linutronix.de>2016-11-28 19:29:04 +0300
commit9c6bafab03dec222237b6eb8b5adf5c18ec76264 (patch)
tree1ebe5e806dfb7eb3c75895417e1debaa1bd7836a /net
parentc8b877a5e58a132c5efb05f0c404585b9789fe5c (diff)
downloadlinux-9c6bafab03dec222237b6eb8b5adf5c18ec76264.tar.xz
net/iucv: Use explicit clean up labels in iucv_init()
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 38b482929e8f ("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>
Diffstat (limited to 'net')
-rw-r--r--net/iucv/iucv.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index f0d6afc5d4a9..8f7ef167c45a 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -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);