If the first cpu_node = of_cpu_device_node_get() fails then the cleanup.h code will try to free "state_node" but it hasn't been initialized yet. Declare the device_nodes where they are initialized to fix this. Fixes: 5836ebeb4a2b ("cpuidle: psci: Avoid initializing faux device if no DT idle states are present") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/cpuidle/cpuidle-psci.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c index 3c2756a539c4..4e1ba35deda9 100644 --- a/drivers/cpuidle/cpuidle-psci.c +++ b/drivers/cpuidle/cpuidle-psci.c @@ -456,14 +456,13 @@ static struct faux_device_ops psci_cpuidle_ops = { static bool __init dt_idle_state_present(void) { - struct device_node *cpu_node __free(device_node); - struct device_node *state_node __free(device_node); - - cpu_node = of_cpu_device_node_get(cpumask_first(cpu_possible_mask)); + struct device_node *cpu_node __free(device_node) = + of_cpu_device_node_get(cpumask_first(cpu_possible_mask)); if (!cpu_node) return false; - state_node = of_get_cpu_state_node(cpu_node, 0); + struct device_node *state_node __free(device_node) = + of_get_cpu_state_node(cpu_node, 0); if (!state_node) return false; -- 2.47.2