[PATCH v7 06/14] of_numa: Use of_get_next_parent to simplify code

[Zhen Lei]

From: Kefeng Wang <wangkefeng.w...@huawei.com>

Use of_get_next_parent() instead of open-code.

Signed-off-by: Kefeng Wang <wangkefeng.w...@huawei.com>
Acked-by: Rob Herring <r...@kernel.org>
---
 drivers/of/of_numa.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index 8723f64..ed103e6 100644
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -158,8 +158,6 @@ int of_node_to_nid(struct device_node *device)
        np = of_node_get(device);

        while (np) {
-               struct device_node *parent;
-
                r = of_property_read_u32(np, "numa-node-id", &nid);
                /*
                 * -EINVAL indicates the property was not found, and
@@ -170,9 +168,7 @@ int of_node_to_nid(struct device_node *device)
                if (r != -EINVAL)
                        break;

-               parent = of_get_parent(np);
-               of_node_put(np);
-               np = parent;
+               np = of_get_next_parent(np);
        }
        if (np && r)
                pr_warn("NUMA: Invalid \"numa-node-id\" property in node %s\n",
--
2.5.0