diff --git a/poky/scripts/lib/devtool/upgrade.py b/poky/scripts/lib/devtool/upgrade.py
index 62ec2f9..18c5b66 100644
--- a/poky/scripts/lib/devtool/upgrade.py
+++ b/poky/scripts/lib/devtool/upgrade.py
@@ -122,18 +122,22 @@
     rfp = os.path.split(rf)[0] # recipe folder
     rfpp = os.path.split(rfp)[0] # recipes folder
     if os.path.exists(rfp):
-        shutil.rmtree(b)
+        shutil.rmtree(rfp)
     if not len(os.listdir(rfpp)):
         os.rmdir(rfpp)
     srctree = os.path.abspath(srctree)
     if os.path.exists(srctree):
         shutil.rmtree(srctree)
 
-def _upgrade_error(e, rf, srctree):
-    if rf:
-        cleanup_on_error(rf, srctree)
+def _upgrade_error(e, rf, srctree, keep_failure=False, extramsg=None):
+    if rf and not keep_failure:
+        _cleanup_on_error(rf, srctree)
     logger.error(e)
-    raise DevtoolError(e)
+    if extramsg:
+        logger.error(extramsg)
+    if keep_failure:
+        logger.info('Preserving failed upgrade files (--keep-failure)')
+    sys.exit(1)
 
 def _get_uri(rd):
     srcuris = rd.getVar('SRC_URI').split()
@@ -277,6 +281,7 @@
             logger.info('Preserving temporary directory %s' % tmpsrctree)
         else:
             shutil.rmtree(tmpsrctree)
+            shutil.rmtree(tmpdir)
 
     return (rev, md5, sha256, srcbranch, srcsubdir_rel)
 
@@ -299,7 +304,7 @@
         f.write("\n#\n\n".encode())
         f.write(orig_content)
 
-def _create_new_recipe(newpv, md5, sha256, srcrev, srcbranch, srcsubdir_old, srcsubdir_new, workspace, tinfoil, rd, license_diff, new_licenses):
+def _create_new_recipe(newpv, md5, sha256, srcrev, srcbranch, srcsubdir_old, srcsubdir_new, workspace, tinfoil, rd, license_diff, new_licenses, srctree, keep_failure):
     """Creates the new recipe under workspace"""
 
     bpn = rd.getVar('BPN')
@@ -416,7 +421,10 @@
         newvalues["LIC_FILES_CHKSUM"] = newlicchksum
         _add_license_diff_to_recipe(fullpath, license_diff)
 
-    rd = tinfoil.parse_recipe_file(fullpath, False)
+    try:
+        rd = tinfoil.parse_recipe_file(fullpath, False)
+    except bb.tinfoil.TinfoilCommandFailed as e:
+        _upgrade_error(e, fullpath, srctree, keep_failure, 'Parsing of upgraded recipe failed')
     oe.recipeutils.patch_recipe(rd, fullpath, newvalues)
 
     return fullpath, copied
@@ -548,11 +556,11 @@
                                                     tinfoil, rd)
             new_licenses = _extract_licenses(srctree, rd.getVar('LIC_FILES_CHKSUM'))
             license_diff = _generate_license_diff(old_licenses, new_licenses)
-            rf, copied = _create_new_recipe(args.version, md5, sha256, args.srcrev, srcbranch, srcsubdir1, srcsubdir2, config.workspace_path, tinfoil, rd, license_diff, new_licenses)
+            rf, copied = _create_new_recipe(args.version, md5, sha256, args.srcrev, srcbranch, srcsubdir1, srcsubdir2, config.workspace_path, tinfoil, rd, license_diff, new_licenses, srctree, args.keep_failure)
         except bb.process.CmdError as e:
-            _upgrade_error(e, rf, srctree)
+            _upgrade_error(e, rf, srctree, args.keep_failure)
         except DevtoolError as e:
-            _upgrade_error(e, rf, srctree)
+            _upgrade_error(e, rf, srctree, args.keep_failure)
         standard._add_md5(config, pn, os.path.dirname(rf))
 
         af = _write_append(rf, srctree, args.same_dir, args.no_same_dir, rev2,
@@ -623,6 +631,7 @@
     group.add_argument('--same-dir', '-s', help='Build in same directory as source', action="store_true")
     group.add_argument('--no-same-dir', help='Force build in a separate build directory', action="store_true")
     parser_upgrade.add_argument('--keep-temp', action="store_true", help='Keep temporary directory (for debugging)')
+    parser_upgrade.add_argument('--keep-failure', action="store_true", help='Keep failed upgrade recipe and associated files  (for debugging)')
     parser_upgrade.set_defaults(func=upgrade, fixed_setup=context.fixed_setup)
 
     parser_latest_version = subparsers.add_parser('latest-version', help='Report the latest version of an existing recipe',