Merge branch 'xen-upstream' of ssh://master.kernel.org/pub/scm/linux/kernel/git/jerem...

[linux-2.6] / drivers / acpi / power.c

diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index ccecfe0d695caf577367b585787fe8c4336a6214..4ffecd17970277f46967bb959bce94c15dacffe0 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;
 }