diff -Nru partman-multipath-4/commit.d/partition_multipath partman-multipath-4mpathpart1/commit.d/partition_multipath
--- partman-multipath-4/commit.d/partition_multipath	2011-01-19 03:03:36.000000000 -0200
+++ partman-multipath-4mpathpart1/commit.d/partition_multipath	2015-02-24 19:33:13.000000000 -0300
@@ -16,3 +16,9 @@
 	kpartx -a -p -part $(cat device)
 done
 
+# Don't exit with a non-zero exit code from a failure in
+# the last command of the last iteration in the for-loop.
+# It is inconsistent, because a failure in any previous
+# command or previous iteration does /not/ do so.
+# (see Launchpad bugs #1425153 and #1424734 for context)
+exit 0
diff -Nru partman-multipath-4/debian/changelog partman-multipath-4mpathpart1/debian/changelog
--- partman-multipath-4/debian/changelog	2013-07-14 08:04:00.000000000 -0300
+++ partman-multipath-4mpathpart1/debian/changelog	2015-02-24 19:35:30.000000000 -0300
@@ -1,3 +1,11 @@
+partman-multipath (4mpathpart1) UNRELEASED; urgency=medium
+
+  * commit.d/partition_multipath: use a consistent exit code;
+    that is, independent of errors in the last command of the
+    last iteration of the for-loop.
+
+ -- Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>  Tue, 24 Feb 2015 19:34:13 -0300
+
 partman-multipath (4) unstable; urgency=low
 
   [ Dmitrijs Ledkovs ]