From e2e0faf95b90171d750f70bd2617cbdd6607fb39 Mon Sep 17 00:00:00 2001 From: Tero Kristo Date: Fri, 11 Jun 2021 11:45:08 +0300 Subject: [PATCH] clk: do not attempt to fetch clock pointer with null device Bail out early if device returned for the parent clock is null. This avoids warning prints like this when doing clk dump: dev_get_uclass_priv: null device Signed-off-by: Tero Kristo Signed-off-by: Tero Kristo --- drivers/clk/clk-uclass.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 53e7be764d..451d7da001 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -502,6 +502,8 @@ struct clk *clk_get_parent(struct clk *clk) return NULL; pdev = dev_get_parent(clk->dev); + if (!pdev) + return ERR_PTR(-ENODEV); pclk = dev_get_clk_ptr(pdev); if (!pclk) return ERR_PTR(-ENODEV); -- 2.39.5