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-rw-r--r--drivers/acpi/sleep.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index c53119740a3c..b5d27a4213ab 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -851,23 +851,25 @@ static void lpi_check_constraints(void)
int i;
for (i = 0; i < lpi_constraints_table_size; ++i) {
+ acpi_handle handle = lpi_constraints_table[i].handle;
struct acpi_device *adev;
- if (acpi_bus_get_device(lpi_constraints_table[i].handle, &adev))
+ if (!handle || acpi_bus_get_device(handle, &adev))
continue;
- acpi_handle_debug(adev->handle,
+ acpi_handle_debug(handle,
"LPI: required min power state:%s current power state:%s\n",
acpi_power_state_string(lpi_constraints_table[i].min_dstate),
acpi_power_state_string(adev->power.state));
if (!adev->flags.power_manageable) {
- acpi_handle_info(adev->handle, "LPI: Device not power manageble\n");
+ acpi_handle_info(handle, "LPI: Device not power manageable\n");
+ lpi_constraints_table[i].handle = NULL;
continue;
}
if (adev->power.state < lpi_constraints_table[i].min_dstate)
- acpi_handle_info(adev->handle,
+ acpi_handle_info(handle,
"LPI: Constraint not met; min power state:%s current power state:%s\n",
acpi_power_state_string(lpi_constraints_table[i].min_dstate),
acpi_power_state_string(adev->power.state));