LVM: Handle missing loop device at cleanup
When the loop device is not present because something
has gone wrong, this will print an error:
"losetup: option requires an argument -- 'd'"
Just skip the losetup -d in this case.
Change-Id: Iedc439b1ae924e9a599f6522eb081b83d43190c7
diff --git a/lib/lvm b/lib/lvm
index b9d7c39..d35a76f 100644
--- a/lib/lvm
+++ b/lib/lvm
@@ -58,7 +58,9 @@
if [[ -n "$backing_file" ]] && [[ -e "$backing_file" ]]; then
local vg_dev
vg_dev=$(sudo losetup -j $backing_file | awk -F':' '/'$BACKING_FILE_SUFFIX'/ { print $1}')
- sudo losetup -d $vg_dev
+ if [[ -n "$vg_dev" ]]; then
+ sudo losetup -d $vg_dev
+ fi
rm -f $backing_file
fi
}