clk: ti: autoidle: add checks against NULL pointer reference (cec4a609) · Commits · 戴 / test

The clk pointer passed to omap2_clk_(deny|allow)_idle can be NULL, so add checks for this. Reported-by:

drivers/clk/ti/autoidle.c

+12 −2

Original line number	Diff line number	Diff line
		@@ -82,7 +82,12 @@ static int _omap2_clk_allow_idle(struct clk_hw_omap *clk)
		*/
		int omap2_clk_deny_idle(struct clk *clk)
		{
		struct clk_hw *hw = __clk_get_hw(clk);
		struct clk_hw *hw;

		if (!clk)
		return -EINVAL;

		hw = __clk_get_hw(clk);

		if (omap2_clk_is_hw_omap(hw)) {
		struct clk_hw_omap *c = to_clk_hw_omap(hw);
		@@ -101,7 +106,12 @@ int omap2_clk_deny_idle(struct clk *clk)
		*/
		int omap2_clk_allow_idle(struct clk *clk)
		{
		struct clk_hw *hw = __clk_get_hw(clk);
		struct clk_hw *hw;

		if (!clk)
		return -EINVAL;

		hw = __clk_get_hw(clk);

		if (omap2_clk_is_hw_omap(hw)) {
		struct clk_hw_omap *c = to_clk_hw_omap(hw);