core: when enabling a generated unit file, return a clean error

Let's be precise when the user tries to invoke an "enable" operation on a
generated unit file.

diff --git a/src/libelogind/sd-bus/bus-common-errors.c b/src/libelogind/sd-bus/bus-common-errors.c
index 6370061dafcc514e60d63480dc945edf281b9fca..f16878cd1a6c2fa0e69055588a6f975d33c236d8 100644 (file)
--- a/src/libelogind/sd-bus/bus-common-errors.c
+++ b/src/libelogind/sd-bus/bus-common-errors.c
@@ -38,6 +38,7 @@ BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map bus_common_errors[] = {
         SD_BUS_ERROR_MAP(BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC,  EDEADLK),
         SD_BUS_ERROR_MAP(BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE,   EDEADLK),
         SD_BUS_ERROR_MAP(BUS_ERROR_UNIT_MASKED,                  ESHUTDOWN),
+        SD_BUS_ERROR_MAP(BUS_ERROR_UNIT_GENERATED,               EADDRNOTAVAIL),
         SD_BUS_ERROR_MAP(BUS_ERROR_JOB_TYPE_NOT_APPLICABLE,      EBADR),
         SD_BUS_ERROR_MAP(BUS_ERROR_NO_ISOLATION,                 EPERM),
         SD_BUS_ERROR_MAP(BUS_ERROR_SHUTTING_DOWN,                ECANCELED),