[ACPI] ACPI poweroff fix

Register an "acpi" system device to be notified of shutdown preparation.
This depends on CONFIG_PM

http://bugzilla.kernel.org/show_bug.cgi?id=4041

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/power/main.c b/kernel/power/main.c
index 4cdebc972ff2..c7eb4a833db5 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -190,7 +190,7 @@ int software_suspend(void)
 
 int pm_suspend(suspend_state_t state)
 {
-        if (state > PM_SUSPEND_ON && state < PM_SUSPEND_MAX)
+        if (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX)
                 return enter_state(state);
         return -EINVAL;
 }