[PATCH 02/22] clk: check pointer returned by dev_get_parent()

Check pointer returned by dev_get_parent().

Signed-off-by: Claudiu Beznea claudiu.beznea@microchip.com --- drivers/clk/clk-uclass.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 70df9d410f4c..aa1f11a27c41 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -459,6 +459,9 @@ struct clk *clk_get_parent(struct clk *clk) return NULL;

pdev = dev_get_parent(clk->dev); + if (!pdev) + return ERR_PTR(-ENOMEM); + pclk = dev_get_clk_ptr(pdev); if (!pclk) return ERR_PTR(-ENODEV);