From a6618249428769b680369b91546acc974d0f6c40 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 22 Apr 2012 15:50:52 +0200
Subject: [PATCH] shutdown: don't try to shut down DM devices in a container
 (cherry picked from commit
 ff644623750b4f672a79cab6cc52e8681e55a044)

---
 src/core/shutdown.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/core/shutdown.c b/src/core/shutdown.c
index b0c680a..8bde974 100644
--- a/src/core/shutdown.c
+++ b/src/core/shutdown.c
@@ -356,8 +356,10 @@ int main(int argc, char *argv[]) {
         log_info("Sending SIGKILL to remaining processes...");
         send_signal(SIGKILL);
 
-        if (in_container)
+        if (in_container) {
                 need_swapoff = false;
+                need_dm_detach = false;
+        }
 
         /* Unmount all mountpoints, swaps, and loopback devices */
         for (retries = 0; retries < FINALIZE_ATTEMPTS; retries++) {