diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c
index ebeaa9e9f0684eda61a5e2f1da92c62c17eeacd0..229ad0991f2660b6ff3682124d6c22cb38cf9ad9 100644
--- a/drivers/sh/clk/core.c
+++ b/drivers/sh/clk/core.c
@@ -396,7 +396,7 @@ int clk_register(struct clk *clk)
 {
 	int ret;
 
-	if (clk == NULL || IS_ERR(clk))
+	if (IS_ERR_OR_NULL(clk))
 		return -EINVAL;
 
 	/*