diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2010-11-25 00:05:17 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-01-12 04:48:43 -0500 |
| commit | 32a00d274e877eab3ea7ab196b75c9be5170d25e (patch) | |
| tree | 0b7a515e8b2328e8cf8b22794cdf81ab19838b5d /drivers/acpi/bus.c | |
| parent | 3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5 (diff) | |
ACPI / PM: Prevent acpi_power_get_inferred_state() from making changes
acpi_power_get_inferred_state() should not update
device->power.state behind the back of its caller, so make it return
the state via a pointer instead.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/bus.c')
| -rw-r--r-- | drivers/acpi/bus.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index d68bd61072b..a9fe8e6bc40 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -222,7 +222,8 @@ int acpi_bus_get_power(acpi_handle handle, int *state) * indirectly (via power resources). */ if (device->power.flags.power_resources) { - result = acpi_power_get_inferred_state(device); + result = acpi_power_get_inferred_state(device, + &device->power.state); if (result) return result; } else if (device->power.flags.explicit_get) { |