From 920ea5a7f8cd05810ede2fc5c0a51d75ae00d175 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 53e7be7..451d7da 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); -- 2.7.4