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authorAlex Chiang <achiang@hp.com>2009-12-14 17:59:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 08:53:17 -0800
commitf8246f3159dfdf97b8b40f9e03e715bafedd22fc (patch)
tree1e0b87b800a6efbba7c963665c1f129e208a6293 /drivers/base/node.c
parentdee5d0d518defd0337a41f1a504428c9acc87be5 (diff)
mm: refactor register_cpu_under_node()
By returning early if the node is not online, we can unindent the interesting code by one level. 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.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 44eed11bbdf3..eeae035dadc3 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -271,16 +271,18 @@ struct node node_devices[MAX_NUMNODES];
*/
int register_cpu_under_node(unsigned int cpu, unsigned int nid)
{
- if (node_online(nid)) {
- struct sys_device *obj = get_cpu_sysdev(cpu);
- if (!obj)
- return 0;
- return sysfs_create_link(&node_devices[nid].sysdev.kobj,
- &obj->kobj,
- kobject_name(&obj->kobj));
- }
+ struct sys_device *obj;
- return 0;
+ if (!node_online(nid))
+ return 0;
+
+ obj = get_cpu_sysdev(cpu);
+ if (!obj)
+ return 0;
+
+ return sysfs_create_link(&node_devices[nid].sysdev.kobj,
+ &obj->kobj,
+ kobject_name(&obj->kobj));
}
int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)