5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> [ Upstream commit 6ab9810cfe6c8f3d8b8750c827d7870abd3751b9 ] Add a NULL pointer check as clk_hw_get_parent can return NULL. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> Link: https://lore.kernel.org/r/20220518055314.2486-1-shubhrajyoti.datta@xxxxxxxxxx Acked-by: Michal Simek <michal.simek@xxxxxxx> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx> Stable-dep-of: 1fe15be1fb61 ("drivers: clk: zynqmp: update divider round rate logic") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/clk/zynqmp/divider.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c index 57bf381f630d..acdd5e48e147 100644 --- a/drivers/clk/zynqmp/divider.c +++ b/drivers/clk/zynqmp/divider.c @@ -119,10 +119,13 @@ 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; -- 2.43.0
