parse_ct_mountpoint: allow to parse "--rootfs 0"

diff --git a/src/PVE/LXC.pm b/src/PVE/LXC.pm
index bed1ab64936b00b70d95350f185c5c4fa5bc415d..718fcbfdd36a4acf683cb58fc726acf60c3dbe9d 100644 (file)
--- a/src/PVE/LXC.pm
+++ b/src/PVE/LXC.pm
@@ -771,7 +771,7 @@ sub parse_ct_mountpoint {
        }
     }
 
-    return undef if !$res->{volume};
+    return undef if !defined($res->{volume});
 
     return undef if $res->{backup} && $res->{backup} !~ m/^(yes|no)$/;