of: of_detach_node() remove unneeded local return variable

rc is unneeded, just return 0.

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 08fd823..fe64430 100644 (file)
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -286,7 +286,6 @@ int of_detach_node(struct device_node *np)
 {
        struct of_reconfig_data rd;
        unsigned long flags;
-       int rc = 0;
 
        memset(&rd, 0, sizeof(rd));
        rd.dn = np;
@@ -301,7 +300,7 @@ int of_detach_node(struct device_node *np)
 
        of_reconfig_notify(OF_RECONFIG_DETACH_NODE, &rd);
 
-       return rc;
+       return 0;
 }
 EXPORT_SYMBOL_GPL(of_detach_node);