diff --git a/platform/msm_shared/avb/libavb/avb_slot_verify.c b/platform/msm_shared/avb/libavb/avb_slot_verify.c
index a07db81..4e7c8f3 100644
--- a/platform/msm_shared/avb/libavb/avb_slot_verify.c
+++ b/platform/msm_shared/avb/libavb/avb_slot_verify.c
@@ -22,6 +22,34 @@
  * SOFTWARE.
  */
 
+/* Copyright (c) 2017,2020, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ *  with the distribution.
+ *   * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
 #include "avb_slot_verify.h"
 #include "avb_chain_partition_descriptor.h"
 #include "avb_footer.h"
@@ -672,7 +700,7 @@
   if (!allow_verification_error) {
     if (stored_rollback_index < vbmeta_header.rollback_index) {
       io_ret = ops->write_rollback_index(
-          ops, rollback_index_location, vbmeta_header.rollback_index);
+          ops, rollback_index_location_to_use, vbmeta_header.rollback_index);
       if (io_ret != AVB_IO_RESULT_OK) {
         avb_errorv(full_partition_name,
                    ": Error storing rollback index for location.\n",
@@ -919,14 +947,15 @@
     }
   }
 
-  if (rollback_index_location >= AVB_MAX_NUMBER_OF_ROLLBACK_INDEX_LOCATIONS) {
+  if (rollback_index_location_to_use >=
+            AVB_MAX_NUMBER_OF_ROLLBACK_INDEX_LOCATIONS) {
     avb_errorv(
         full_partition_name, ": Invalid rollback_index_location.\n", NULL);
     ret = AVB_SLOT_VERIFY_RESULT_ERROR_INVALID_METADATA;
     goto out;
   }
 
-  slot_data->rollback_indexes[rollback_index_location] =
+  slot_data->rollback_indexes[rollback_index_location_to_use] =
       vbmeta_header.rollback_index;
 
   if (out_algorithm_type != NULL) {