Commit 6ab9810c authored by Shubhrajyoti Datta's avatar Shubhrajyoti Datta Committed by Stephen Boyd
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clk: zynqmp: Add a check for NULL pointer 



Add a NULL pointer check as clk_hw_get_parent can return NULL.

Signed-off-by: default avatarShubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220518055314.2486-1-shubhrajyoti.datta@xilinx.com


Acked-by: default avatarMichal Simek <michal.simek@amd.com>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent acc1c732

drivers/clk/zynqmp/divider.c

+5 −2
Original line number Diff line number Diff line
@@ -120,10 +120,13 @@ static void zynqmp_get_divider2_val(struct clk_hw *hw, 
	long error = LONG_MAX;

	unsigned long div1_prate;

	struct clk_hw *div1_parent_hw;

	struct zynqmp_clk_divider *pdivider;

	struct clk_hw *div2_parent_hw = clk_hw_get_parent(hw);

	struct zynqmp_clk_divider *pdivider =

				to_zynqmp_clk_divider(div2_parent_hw);



	if (!div2_parent_hw)

		return;



	pdivider = to_zynqmp_clk_divider(div2_parent_hw);

	if (!pdivider)

		return;