ERROR return value is 3 and UNKNOW return value is 2.

Signed-off-by: Petr Hracek <phracek@redhat.com>

man/preupg.1

@@ -73,7 +73,7 @@ Possible return values are:
 
 \fB2\fP - preupg works properly but modules finishes with 2. Modules exits with results UNKNOWN, FAILED.
 
-\fB3\fP - preupg works properly but modules finishes with 2. Modules exits with results ERROR.
+\fB3\fP - preupg works properly but modules finishes with 3. Modules exits with results ERROR.
 
 \fB10\fP - preupg does not find a proper upgrade scenario.
 

preup/xccdf.py

@@ -85,6 +85,17 @@ def check_inplace_risk(xccdf_file, verbose):
 
         inplace_risk = []
         target_tree = ElementTree.fromstring(content)
+        # Check if report does not contain UNKNOWN or ERROR results.
+        results = []
+        for profile in target_tree.findall(XMLNS + "TestResult"):
+            for check in profile.findall(".//" + XMLNS + "result"):
+                if check.text not in results:
+                    results.append(check.text)
+        if 'error' in results:
+            return 3
+        if 'unknown' in results:
+            return 2
+
         for profile in target_tree.findall(XMLNS + "TestResult"):
             inplace_risk = XccdfHelper.get_check_import_inplace_risk(profile)