systemctl: Don't try to remove directory which doesn't exist

Noticed in this log.do_rootfs error:
  Started /OE/build/shr-core/tmp-glibc/sysroots/x86_64-linux/usr/bin/systemctl --root=/OE/build/shr-core/tmp-glibc/work/nokia900-oe-linux-gnueabi/shr-image/2.0-r20/rootfs disable bluetooth.service
  Try to find location of bluetooth.service...
  Found bluetooth.service in /lib/systemd/system/bluetooth.service
  WantedBy=bluetooth.target found in bluetooth.service
  rmdir: failed to remove '/OE/build/shr-core/tmp-glibc/work/nokia900-oe-linux-gnueabi/shr-image/2.0-r20/rootfs/etc/systemd/system/bluetooth.target.wants': No such file or directory
  Disabled bluetooth.service for bluetooth.target.
  Disabled bluetooth.service for dbus-org.bluez.service.

(From OE-Core rev: 0332e19098d7d3d623a04098b43e3b2482af1a17)

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/recipes-core/systemd/systemd-systemctl/systemctl b/meta/recipes-core/systemd/systemd-systemctl/systemctl
index 2e632b00bc..6e163bd5c2 100755
--- a/meta/recipes-core/systemd/systemd-systemctl/systemctl
+++ b/meta/recipes-core/systemd/systemd-systemctl/systemctl
@@ -149,7 +149,7 @@ for service in $services; do
                                 disable_service="$ROOT/etc/systemd/system/$r.wants/$service"
                         fi
                         rm -f $disable_service
-                        rmdir --ignore-fail-on-non-empty -p $ROOT/etc/systemd/system/$r.wants
+                        [ -d $ROOT/etc/systemd/system/$r.wants ] && rmdir --ignore-fail-on-non-empty -p $ROOT/etc/systemd/system/$r.wants
                         echo "Disabled ${disable_service##$ROOT/etc/systemd/system/$r.wants/} for $wanted_by."
                 fi
         done