diff options
| author | Alex Chiang <achiang@hp.com> | 2009-12-14 17:59:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-15 08:53:17 -0800 |
| commit | b9d52dad9447d0db4b52d67d5e9e9d339b5e8302 (patch) | |
| tree | a3b58ae9c722e21567429b71dfc9b7abeee409c6 /drivers/base/node.c | |
| parent | f8246f3159dfdf97b8b40f9e03e715bafedd22fc (diff) | |
mm: refactor unregister_cpu_under_node()
By returning early if the node is not online, we can unindent the
interesting code by two levels.
No functional change.
Signed-off-by: Alex Chiang <achiang@hp.com>
Cc: Gary Hade <garyhade@us.ibm.com>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Rientjes <rientjes@google.com>
Cc: Greg KH <greg@kroah.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/base/node.c')
| -rw-r--r-- | drivers/base/node.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index eeae035dadc3..9b9acc39a1eb 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -287,12 +287,18 @@ int register_cpu_under_node(unsigned int cpu, unsigned int nid) int unregister_cpu_under_node(unsigned int cpu, unsigned int nid) { - if (node_online(nid)) { - struct sys_device *obj = get_cpu_sysdev(cpu); - if (obj) - sysfs_remove_link(&node_devices[nid].sysdev.kobj, - kobject_name(&obj->kobj)); - } + struct sys_device *obj; + + if (!node_online(nid)) + return 0; + + obj = get_cpu_sysdev(cpu); + if (!obj) + return 0; + + sysfs_remove_link(&node_devices[nid].sysdev.kobj, + kobject_name(&obj->kobj)); + return 0; } |