Fix -EIO on /proc/acpi/events after suspends.  This actually breaks
suspending by power button in many setups.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
                        return_VALUE(-EAGAIN);
 
                result = acpi_bus_receive_event(&event);
-               if (result) {
-                       return_VALUE(-EIO);
-               }
+               if (result)
+                       return_VALUE(result);
 
                chars_remaining = sprintf(str, "%s %s %08x %08x\n",
                                          event.device_class ? event.