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Subject[PATCH 2/5] mm: refactor register_cpu_under_node()
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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>
---
drivers/base/node.c | 20 +++++++++++---------
1 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 3108b21..ef7dd22 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -227,16 +227,18 @@ 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)


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