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clk: fix possible null pointer dereference
[linux-drm-fsl-dcu.git]
/
drivers
/
clk
/
clk.c
diff --git
a/drivers/clk/clk.c
b/drivers/clk/clk.c
index f4963b7d4e17d41b6a6553854c5250a7e90bfdef..d48ac71c6c8b173793a31e95ebaa93749e883a76 100644
(file)
--- a/
drivers/clk/clk.c
+++ b/
drivers/clk/clk.c
@@
-1366,7
+1366,7
@@
static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate)
new_rate = clk->ops->determine_rate(clk->hw, rate,
&best_parent_rate,
&parent_hw);
new_rate = clk->ops->determine_rate(clk->hw, rate,
&best_parent_rate,
&parent_hw);
- parent = parent_hw
->clk
;
+ parent = parent_hw
? parent_hw->clk : NULL
;
} else if (clk->ops->round_rate) {
new_rate = clk->ops->round_rate(clk->hw, rate,
&best_parent_rate);
} else if (clk->ops->round_rate) {
new_rate = clk->ops->round_rate(clk->hw, rate,
&best_parent_rate);