clk: fix some determine_rate implementations

[cascardo/linux.git] / drivers / clk / clk.c

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 4e9ff92..c907289 100644 (file)
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -487,6 +487,9 @@ clk_mux_determine_rate_flags(struct clk_hw *hw, struct clk_rate_request *req,
                }
        }
 
+       if (!best_parent)
+               return -EINVAL;
+
 out:
        if (best_parent)
                req->best_parent_hw = best_parent->hw;