From 1c29c372b2d1d2415601041532745ce859f24126 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Wed, 14 Mar 2018 16:13:01 -0700
Subject: [PATCH] ACPICA: Fix memory leak on unusual memory leak
Git-commit: 1c29c372b2d1d2415601041532745ce859f24126
Patch-mainline: v4.17-rc1
References: bsc#1051510
Fixes a single-object memory leak on a store-to-reference method
invocation. ACPICA BZ 1439.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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;