From 773425fadeea59617a97a21d22160b49d21de82e Mon Sep 17 00:00:00 2001
From: Andriy Gapon <avg@FreeBSD.org>
Date: Fri, 22 Jan 2010 09:34:57 +0000
Subject: [PATCH] MFC r202558: acpi_ec: clean up 'private' ivar when freeing
 memory

---
 sys/dev/acpica/acpi_ec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/dev/acpica/acpi_ec.c b/sys/dev/acpica/acpi_ec.c
index b339ba10ed0..c101292b7e4 100644
--- a/sys/dev/acpica/acpi_ec.c
+++ b/sys/dev/acpica/acpi_ec.c
@@ -469,6 +469,7 @@ acpi_ec_attach(device_t dev)
     sc->ec_gpehandle = params->gpe_handle;
     sc->ec_uid = params->uid;
     sc->ec_suspending = FALSE;
+    acpi_set_private(dev, NULL);
     free(params, M_TEMP);
 
     /* Attach bus resources for data and command/status ports. */