ACPI: fix S3 fan resume issue

http://bugzilla.kernel.org/show_bug.cgi?id=7570#c14

Signed-off-by: Konstantin Karasyov <konstantin.a.karasyov@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 1ef3385..547eee7 100644 (file)
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -436,8 +436,6 @@ int acpi_power_transition(struct acpi_device *device, int state)
        cl = &device->power.states[device->power.state].resources;
        tl = &device->power.states[state].resources;
 
-       device->power.state = ACPI_STATE_UNKNOWN;
-
        if (!cl->count && !tl->count) {
                result = -ENODEV;
                goto end;
@@ -468,12 +466,15 @@ int acpi_power_transition(struct acpi_device *device, int state)
                        goto end;
        }
 
-       /* We shouldn't change the state till all above operations succeed */
-       device->power.state = state;
-      end:
-       if (result)
+     end:
+       if (result) {
+               device->power.state = ACPI_STATE_UNKNOWN;
                printk(KERN_WARNING PREFIX "Transitioning device [%s] to D%d\n",
                              device->pnp.bus_id, state);
+       } else {
+       /* We shouldn't change the state till all above operations succeed */
+               device->power.state = state;
+       }
 
        return result;
 }