clkdev: fix clk_add_alias() with a NULL alias device name

[firefly-linux-kernel-4.4.55.git] / drivers / clk / clkdev.c

diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index c0eaf0973bd2bca88e269dbca7f44fd3fcdaf3c7..779b6ff0c7ad4040a680a2155964bd3016363767 100644 (file)
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -333,7 +333,8 @@ int clk_add_alias(const char *alias, const char *alias_dev_name,
        if (IS_ERR(r))
                return PTR_ERR(r);
 
-       l = clkdev_create(r, alias, "%s", alias_dev_name);
+       l = clkdev_create(r, alias, alias_dev_name ? "%s" : NULL,
+                         alias_dev_name);
        clk_put(r);
 
        return l ? 0 : -ENODEV;