clk: use IS_ERR_OR_NULL(hw) instead of !hw || IS_ERR(hw)

This minor refactoring does not change the function behavior.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 7429ede..20d8e07 100644 (file)
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2482,7 +2482,7 @@ struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id,
        struct clk *clk;
 
        /* This is to allow this function to be chained to others */
-       if (!hw || IS_ERR(hw))
+       if (IS_ERR_OR_NULL(hw))
                return (struct clk *) hw;
 
        clk = kzalloc(sizeof(*clk), GFP_KERNEL);