Merge branch 'android-msm-bluecross-4.9-pi-qpr2' into android-msm-bluecross-4.9-pi-qpr3

JUN 2019.4

Bug: 129970703
Change-Id: I6b4edfa0283feb47e30db657b4e2bb3d5b9475b2
Signed-off-by: Harrison Lingren <hlingren@google.com>
diff --git a/wmi/src/wmi_unified_tlv.c b/wmi/src/wmi_unified_tlv.c
index c356108..21411a7 100644
--- a/wmi/src/wmi_unified_tlv.c
+++ b/wmi/src/wmi_unified_tlv.c
@@ -3935,9 +3935,10 @@
 
 	status = wmi_unified_cmd_send(wmi_handle, buf, len,
 					      WMI_VDEV_INSTALL_KEY_CMDID);
-	if (QDF_IS_STATUS_ERROR(status))
+	if (QDF_IS_STATUS_ERROR(status)) {
+		qdf_mem_zero(wmi_buf_data(buf), len);
 		wmi_buf_free(buf);
-
+	}
 	return status;
 }