opkg: fix remove pkg with --force-removal-of-dependent-packages failed

opkg remove perl --force-removal-of-dependent-packages
...
Removing package perl-module-extutils-mm-dos from root...
...
Removing package perl-module-extutils-mm-dos from root...
You can force removal of packages with failed prerm scripts with the option:
	--force-remove
No packages removed.
Collected errors:
 * pkg_run_script: Internal error: perl-module-extutils-mm-dos has a
NULL tmp_unpack_dir.
 * opkg_remove_pkg: not removing package "perl-module-extutils-mm-dos",
prerm script failed
...

While remove pkg with '--force-removal-of-dependent-packages',
pkg may be added to remove list multiple times, add status
check to make sure pkg only be removed once.

[YOCTO #6819]

(From OE-Core rev: 476f864b1564265469b5c9074c1f262bce21f119)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/opkg/opkg/libopkg-opkg_remove.c-avoid-remove-pkg-repeatly-with.patch

@@ -0,0 +1,39 @@
+From 41425d67d3589b1912416a17f740d6407c7834f2 Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <hongxu.jia@windriver.com>
+Date: Wed, 8 Oct 2014 19:53:13 +0800
+Subject: [PATCH] libopkg/opkg_remove.c: avoid remove pkg repeatly with option
+ --force-removal-of-dependent-packages
+
+While remove pkg with '--force-removal-of-dependent-packages',
+pkg may be added to pkgs remove list multiple times, add status
+check to make sure pkg only be removed once.
+
+Upstream-Status: Backport
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+
+---
+ libopkg/opkg_remove.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/libopkg/opkg_remove.c b/libopkg/opkg_remove.c
+index 34f9154..a225e41 100644
+--- a/libopkg/opkg_remove.c
++++ b/libopkg/opkg_remove.c
+@@ -250,6 +250,14 @@ opkg_remove_pkg(pkg_t *pkg, int from_upgrade)
+      if ((parent_pkg = pkg->parent) == NULL)
+ 	  return 0;
+ 
++     /* While remove pkg with '--force-removal-of-dependent-packages',
++        pkg may be added to remove list multiple times, add status
++        check to make sure pkg only be removed once. */
++     if (conf->force_removal_of_dependent_packages &&
++             pkg->state_flag & SF_FILELIST_CHANGED &&
++             pkg->state_status == SS_NOT_INSTALLED)
++         return 0;
++
+      /* only attempt to remove dependent installed packages if
+       * force_depends is not specified or the package is being
+       * replaced.
+-- 
+1.9.1
+

meta/recipes-devtools/opkg/opkg_0.2.2.bb

@@ -4,6 +4,7 @@ SRC_URI = "http://downloads.yoctoproject.org/releases/${BPN}/${BPN}-${PV}.tar.gz
            file://no-install-recommends.patch \
            file://add-exclude.patch \
            file://opkg-configure.service \
+           file://libopkg-opkg_remove.c-avoid-remove-pkg-repeatly-with.patch \
 "
 
 S = "${WORKDIR}/${BPN}-${PV}"