Commit c7662fc5 authored Jan 05, 2015 by Stanimir Varbanov Committed by Michael Turquette Jan 17, 2015

clk: fix possible null pointer dereference



The commit 646cafc6 (clk: Change clk_ops->determine_rate to
return a clk_hw as the best parent) opens a possibility for
null pointer dereference, fix this.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>

parent 176a107b

drivers/clk/clk.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);
		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);