From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1424394AbeE1LkY (ORCPT ); Mon, 28 May 2018 07:40:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:59968 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932380AbeE1LMJ (ORCPT ); Mon, 28 May 2018 07:12:09 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bob Moore , Erik Schmauss , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 4.16 152/272] ACPICA: Fix memory leak on unusual memory leak Date: Mon, 28 May 2018 12:03:05 +0200 Message-Id: <20180528100253.697395161@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180528100240.256525891@linuxfoundation.org> References: <20180528100240.256525891@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bob Moore [ Upstream commit 1c29c372b2d1d2415601041532745ce859f24126 ] Fixes a single-object memory leak on a store-to-reference method invocation. ACPICA BZ 1439. Signed-off-by: Bob Moore Signed-off-by: Erik Schmauss Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/acpica/psargs.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -890,6 +890,10 @@ acpi_ps_get_next_arg(struct acpi_walk_st ACPI_POSSIBLE_METHOD_CALL); if (arg->common.aml_opcode == AML_INT_METHODCALL_OP) { + + /* Free method call op and corresponding namestring sub-ob */ + + acpi_ps_free_op(arg->common.value.arg); acpi_ps_free_op(arg); arg = NULL; walk_state->arg_count = 1;