core/service: do not set zero error to log_unit_debug_errno()

Fixes #19725.

(cherry picked from commit 95599cacd3944073f7d944a8b3973e1308d1d57f)

diff --git a/src/core/service.c b/src/core/service.c
index 4c5bfb17fb81efff3539bab0f54b283d4a1dfc25..751db053f33f21f900548ae694904a9299ea3100 100644 (file)
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -2930,7 +2930,7 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
 
                 r = extract_first_word(&value, &fdn, NULL, EXTRACT_CUNESCAPE | EXTRACT_UNQUOTE);
                 if (r <= 0) {
-                        log_unit_debug_errno(u, r, "Failed to parse fd-store-fd value \"%s\": %m", value);
+                        log_unit_debug(u, "Failed to parse fd-store-fd value: %s", value);
                         return 0;
                 }