[PATCHv6 07/26] clk: do not attempt to fetch clock pointer with null device

[Tero Kristo]

From: Tero Kristo <t-kri...@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-kri...@ti.com>
Signed-off-by: Tero Kristo <kri...@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);
-- 
2.17.1