diff options
| -rw-r--r-- | src/core/unit.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/core/unit.c b/src/core/unit.c index a5714adf38..45ce1b172d 100644 --- a/src/core/unit.c +++ b/src/core/unit.c @@ -1416,9 +1416,14 @@ int unit_start(Unit *u) { assert(u); + /* Units that aren't loaded cannot be started */ if (u->load_state != UNIT_LOADED) return -EINVAL; + /* Units of types that aren't supported annot be started either */ + if (!unit_supported(u)) + return -EOPNOTSUPP; + /* If this is already started, then this will succeed. Note * that this will even succeed if this unit is not startable * by the user. This is relied on to detect when we need to @@ -1451,9 +1456,6 @@ int unit_start(Unit *u) { return unit_start(following); } - if (!unit_supported(u)) - return -EOPNOTSUPP; - /* If it is stopped, but we cannot start it, then fail */ if (!UNIT_VTABLE(u)->start) return -EBADR; @@ -1472,6 +1474,12 @@ int unit_start(Unit *u) { bool unit_can_start(Unit *u) { assert(u); + if (u->load_state != UNIT_LOADED) + return false; + + if (!unit_supported(u)) + return false; + return !!UNIT_VTABLE(u)->start; } |