Merge branch 'pm-domains'

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

diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c
index e6aa10d..a837f70 100644 (file)
--- a/drivers/clk/ti/divider.c
+++ b/drivers/clk/ti/divider.c
@@ -211,11 +211,16 @@ static long ti_clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
 static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
                                   unsigned long parent_rate)
 {
-       struct clk_divider *divider = to_clk_divider(hw);
+       struct clk_divider *divider;
        unsigned int div, value;
        unsigned long flags = 0;
        u32 val;
 
+       if (!hw || !rate)
+               return -EINVAL;
+
+       divider = to_clk_divider(hw);
+
        div = DIV_ROUND_UP(parent_rate, rate);
        value = _get_val(divider, div);