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>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 1ef338545dfe..547eee7537bc 100644
--- 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;
 }