Fix Scan only /dev/mem for entry point on x86

debian/changelog

@@ -1,3 +1,12 @@
+dmidecode (3.2-3) UNRELEASED; urgency=medium
+
+  * Fix Scan only /dev/mem for entry point on x86 (Closes: #946911):
+    - New debian/patches/0140-Fix_scan_entry_point.patch (Cherry picked from
+      upstream Commit e12ec26e19e02281d3e7258c3aabb88a5cf5ec1d.
+  * Declare compliance with Debian Policy 4.4.1.2 (No changes needed).
+
+ -- Jörg Frings-Fürst <debian@jff.email>  Thu, 19 Dec 2019 09:59:52 +0100
+
 dmidecode (3.2-2) unstable; urgency=medium
 
   * Mark dmidecode Multi-Arch: foreign (Closes: #929455).

debian/control

@@ -3,7 +3,7 @@ Section: utils
 Priority: optional
 Maintainer: Jörg Frings-Fürst <debian@jff.email>
 Build-Depends: debhelper (>= 12)
-Standards-Version: 4.4.0
+Standards-Version: 4.4.1.2
 Vcs-Git: git://jff.email/opt/git/dmidecode.git
 Vcs-Browser: https://jff.email/cgit/dmidecode.git/
 Homepage: https://nongnu.org/dmidecode/

debian/patches/0140-Fix_scan_entry_point.patch

@@ -0,0 +1,47 @@
+Index: trunk/dmidecode.c
+===================================================================
+--- trunk.orig/dmidecode.c
++++ trunk/dmidecode.c
+@@ -2,7 +2,7 @@
+  * DMI Decode
+  *
+  *   Copyright (C) 2000-2002 Alan Cox <alan@redhat.com>
+- *   Copyright (C) 2002-2018 Jean Delvare <jdelvare@suse.de>
++ *   Copyright (C) 2002-2019 Jean Delvare <jdelvare@suse.de>
+  *
+  *   This program is free software; you can redistribute it and/or modify
+  *   it under the terms of the GNU General Public License as published by
+@@ -5534,7 +5534,7 @@ int main(int argc, char * const argv[])
+ 	off_t fp;
+ 	size_t size;
+ 	int efi;
+-	u8 *buf;
++	u8 *buf = NULL;
+ 
+ 	/*
+ 	 * We don't want stdout and stderr to be mixed up if both are
+@@ -5638,7 +5638,7 @@ int main(int argc, char * const argv[])
+ 			printf("Failed to get SMBIOS data from sysfs.\n");
+ 	}
+ 
+-	/* Next try EFI (ia64, Intel-based Mac) */
++	/* Next try EFI (ia64, Intel-based Mac, arm64) */
+ 	efi = address_from_efi(&fp);
+ 	switch (efi)
+ 	{
+@@ -5671,6 +5671,7 @@ int main(int argc, char * const argv[])
+ 	goto done;
+ 
+ memory_scan:
++#if defined __i386__ || defined __x86_64__
+ 	if (!(opt.flags & FLAG_QUIET))
+ 		printf("Scanning %s for entry point.\n", opt.devmem);
+ 	/* Fallback to memory scan (x86, x86_64) */
+@@ -5713,6 +5714,7 @@ memory_scan:
+ 			}
+ 		}
+ 	}
++#endif
+ 
+ done:
+ 	if (!found && !(opt.flags & FLAG_QUIET))

debian/patches/series

@@ -8,3 +8,4 @@
 #0125-use_read_file_to_read_DMI_table_from_sysfs.patch
 #0130-use_DWORD_for_table_max_size.patch
 #0135-hide_fixup_msg.patch
+0140-Fix_scan_entry_point.patch