[PATCHv5 07/26] clk: do not attempt to fetch clock pointer with null device

From: Tero Kristo t-kristo@ti.com

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 t-kristo@ti.com Signed-off-by: Tero Kristo kristo@kernel.org --- 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);