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>
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@ -271,16 +271,18 @@ struct node node_devices[MAX_NUMNODES];
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*/
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int register_cpu_under_node(unsigned int cpu, unsigned int nid)
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{
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if (node_online(nid)) {
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struct sys_device *obj = get_cpu_sysdev(cpu);
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if (!obj)
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return 0;
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return sysfs_create_link(&node_devices[nid].sysdev.kobj,
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&obj->kobj,
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kobject_name(&obj->kobj));
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}
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struct sys_device *obj;
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return 0;
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if (!node_online(nid))
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return 0;
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obj = get_cpu_sysdev(cpu);
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if (!obj)
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return 0;
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return sysfs_create_link(&node_devices[nid].sysdev.kobj,
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&obj->kobj,
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kobject_name(&obj->kobj));
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}
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int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)
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