Merge branch 'android-msm-wahoo-4.4-pi' into android-msm-wahoo-4.4-pi-qpr1

November 2018.1

Bug: 112384612
Change-Id: Ib7a25b86f12124a95ad39385f3b1f7d7818811fc
Signed-off-by: Siqi Lin <siqilin@google.com>
diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c
index f543757..a8b3ffc 100644
--- a/drivers/staging/android/ion/ion_system_heap.c
+++ b/drivers/staging/android/ion/ion_system_heap.c
@@ -2,7 +2,7 @@
  * drivers/staging/android/ion/ion_system_heap.c
  *
  * Copyright (C) 2011 Google, Inc.
- * Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2018, The Linux Foundation. All rights reserved.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -754,8 +754,10 @@
 {
 	int i;
 	for (i = 0; i < num_orders; i++)
-		if (pools[i])
+		if (pools[i]) {
 			ion_page_pool_destroy(pools[i]);
+			pools[i] = NULL;
+		}
 }
 
 /**