[PATCH 2/2] drivers/base/node: Use device_create_files() and device_remove_files()

[Takashi Iwai]

Use the new helper functions to simplify the code.

Signed-off-by: Takashi Iwai <ti...@suse.de>
---
 drivers/base/node.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index a3b82e9c7f20..e567e7bde333 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -200,6 +200,16 @@ static ssize_t node_read_distance(struct device *dev,
 }
 static DEVICE_ATTR(distance, S_IRUGO, node_read_distance, NULL);
 
+static const struct device_attribute *node_dev_attrs[] = {
+       &dev_attr_cpumap,
+       &dev_attr_cpulist,
+       &dev_attr_meminfo,
+       &dev_attr_numastat,
+       &dev_attr_distance,
+       &dev_attr_vmstat,
+       NULL
+};
+
 #ifdef CONFIG_HUGETLBFS
 /*
  * hugetlbfs per node attributes registration interface:
@@ -276,12 +286,7 @@ static int register_node(struct node *node, int num, 
struct node *parent)
        error = device_register(&node->dev);
 
        if (!error){
-               device_create_file(&node->dev, &dev_attr_cpumap);
-               device_create_file(&node->dev, &dev_attr_cpulist);
-               device_create_file(&node->dev, &dev_attr_meminfo);
-               device_create_file(&node->dev, &dev_attr_numastat);
-               device_create_file(&node->dev, &dev_attr_distance);
-               device_create_file(&node->dev, &dev_attr_vmstat);
+               device_create_files(&node->dev, node_dev_attrs);
 
                hugetlb_register_node(node);
 
@@ -299,12 +304,7 @@ static int register_node(struct node *node, int num, 
struct node *parent)
  */
 void unregister_node(struct node *node)
 {
-       device_remove_file(&node->dev, &dev_attr_cpumap);
-       device_remove_file(&node->dev, &dev_attr_cpulist);
-       device_remove_file(&node->dev, &dev_attr_meminfo);
-       device_remove_file(&node->dev, &dev_attr_numastat);
-       device_remove_file(&node->dev, &dev_attr_distance);
-       device_remove_file(&node->dev, &dev_attr_vmstat);
+       device_remove_files(&node->dev, node_dev_attrs);
 
        hugetlb_unregister_node(node);          /* no-op, if memoryless node */
 
-- 
2.2.2

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