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path: root/drivers/acpi/power.c
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Diffstat (limited to 'drivers/acpi/power.c')
-rw-r--r--drivers/acpi/power.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 0ba7dfbbb2e..01ce311ed6e 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -412,6 +412,10 @@ int acpi_power_transition(struct acpi_device *device, int state)
goto end;
}
+ if (device->power.state == state) {
+ goto end;
+ }
+
/*
* Then we dereference all power resources used in the current list.
*/