core/swap: load() should fail when neither of corresponding unit file nor /proc/swap...

It is not necessary to label as loaded to a swap unit when neither of
corresponding unit file nor entry in /proc/swap does not exist.
This makes swap_load() to fail such a case.

Partially fixes #7370.

diff --git a/src/core/swap.c b/src/core/swap.c
index cfe9d91..f37a81f 100644 (file)
--- a/src/core/swap.c
+++ b/src/core/swap.c
@@ -292,7 +292,10 @@ static int swap_load(Unit *u) {
         assert(u->load_state == UNIT_STUB);
 
         /* Load a .swap file */
-        r = unit_load_fragment_and_dropin_optional(u);
+        if (SWAP(u)->from_proc_swaps)
+                r = unit_load_fragment_and_dropin_optional(u);
+        else
+                r = unit_load_fragment_and_dropin(u);
         if (r < 0)
                 return r;