From 8d92670606f1875657a321df0e6b588cd31ef5bb Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Tue, 6 Dec 2016 19:26:22 -0700
Subject: [PATCH] When Include() files are used in ASL, an extraneous free()
 ends up getting invoked; need to resolve this with upstream, but this patch
 at least allows one to continue using iasl until then.

Signed-off-by: Al Stone <ahs3@redhat.com>
---
 acpica-tools.spec |  2 ++
 free.patch        | 14 ++++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 free.patch

diff --git a/acpica-tools.spec b/acpica-tools.spec
index c9ab85f..100c058 100644
--- a/acpica-tools.spec
+++ b/acpica-tools.spec
@@ -35,6 +35,7 @@ Patch8:		asllookup-ppc64.patch
 Patch9:		template.patch
 Patch10:	s390x-ptrs.patch
 Patch11:	big-endian-v2.patch
+Patch12:	free.patch
 
 BuildRequires:  bison patchutils flex
 
@@ -96,6 +97,7 @@ gzip -dc %{SOURCE1} | tar -x --strip-components=1 -f -
 %patch9 -p1 -b .template
 %patch10 -p1 -b .s390x-ptrs
 %patch11 -p1 -b .big-endian-v2
+%patch12 -p1 -b .free
 
 cp -p %{SOURCE2} README.Fedora
 cp -p %{SOURCE3} iasl.1
diff --git a/free.patch b/free.patch
new file mode 100644
index 0000000..5c4d291
--- /dev/null
+++ b/free.patch
@@ -0,0 +1,14 @@
+This prevents a segfault when an Include file does not exist.
+
+diff -Naur acpica-unix2-20160930/source/compiler/aslfiles.c acpica-unix2-20160930-s390/source/compiler/aslfiles.c
+--- acpica-unix2-20160930/source/compiler/aslfiles.c	2016-09-30 10:43:56.000000000 -0600
++++ acpica-unix2-20160930-s390/source/compiler/aslfiles.c	2016-12-06 18:55:08.693785207 -0700
+@@ -319,7 +319,7 @@
+     if (!IncludeFile)
+     {
+         fprintf (stderr, "Could not open include file %s\n", Pathname);
+-        ACPI_FREE (Pathname);
++        /* ACPI_FREE (Pathname); <-- forces free() segfault */
+         return (NULL);
+     }
+