- add upstream patch

syslinux-3.36.patch

@@ -0,0 +1,37 @@
+From: H. Peter Anvin <hpa@zytor.com>
+Date: Mon, 19 Feb 2007 23:54:58 +0000 (-0800)
+Subject: Comboot function READ DISK corrupts its arguments; fix.
+X-Git-Tag: syslinux-3.40-pre10^0~13^2
+X-Git-Url: http://www.jur-linux.org/git/?p=syslinux.git;a=commitdiff_plain;h=c7c51cdcd0a094c2588f8a816542bc57bb4efb34
+
+Comboot function READ DISK corrupts its arguments; fix.
+---
+
+diff --git a/comboot.doc b/comboot.doc
+index 8aaa0e7..0d70b48 100644
+--- a/comboot.doc
++++ b/comboot.doc
+@@ -723,7 +723,7 @@ AX=0018h [3.30]	Query custom font
+ 	been loaded, AL contains zero.
+ 
+ 
+-AX=0019h [3.35] Read disk [SYSLINUX, ISOLINUX, EXTLINUX]
++AX=0019h [3.xx] Read disk [SYSLINUX, ISOLINUX, EXTLINUX]
+ 	Input:	AX	0019h
+ 		EDX	Sector number
+ 		ESI	Reserved - MUST BE ZERO
+diff --git a/comboot.inc b/comboot.inc
+index 0f544c2..5df900f 100644
+--- a/comboot.inc
++++ b/comboot.inc
+@@ -780,9 +780,9 @@ comapi_readdisk:
+ 		or esi,P_EDI		; are reserved for future expansion
+ 		jnz .err
+ 		mov eax,P_EDX
+-		mov bp,P_CX
+ 		mov es,P_ES
+ 		mov bx,P_BX
++		mov bp,P_CX		; WE CANNOT use P_* after touching bp!
+ 		call getlinsec
+ 		clc
+ 		ret

syslinux.spec

@@ -2,12 +2,13 @@ Summary: Simple kernel loader which boots from a FAT filesystem
 Name: syslinux
 Version: 3.36
 %define tarball_version 3.36
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: GPL
 Group: Applications/System
 Source0: ftp://ftp.kernel.org/pub/linux/utils/boot/syslinux/%{name}-%{tarball_version}.tar.bz2
 Patch0: syslinux-2.08-x86_64.patch
 Patch2: syslinux-3.31-time.patch
+Patch3: syslinux-3.36.patch
 ExclusiveArch: i386 x86_64
 Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: nasm >= 0.98.38-1, perl, netpbm-progs
@@ -36,6 +37,7 @@ MEMDISK, which loads legacy operating systems from these media.
 %setup -q -n syslinux-%{tarball_version}
 %patch0 -p1 -b .x86_64
 %patch2 -p1 -b .time
+%patch3 -p1
 
 %build
 CFLAGS="-Werror -Wno-unused -finline-limit=2000"