journal: add missing initialization

Otherwise, SplitMode= in journald.conf is always ignored.

Fixes a regression caused by f48cf2a96dfdc23fe30ba0f870125fe55cab64c7 (v258).
Fixes #39046.

(cherry picked from commit adacdfd9d657a649251e341423602ff44a65bee2)

diff --git a/src/journal/journald-config.c b/src/journal/journald-config.c
index dd2e29e2962cb66d76a9837f8fffa40e25be858b..b43ad26ce30ac18313523c2d4e9d49897094e6af 100644 (file)
--- a/src/journal/journald-config.c
+++ b/src/journal/journald-config.c
@@ -59,6 +59,7 @@ void journal_config_set_defaults(JournalConfig *c) {
                 .max_level_console = -1,
                 .max_level_wall = -1,
                 .max_level_socket = -1,
+                .split_mode = _SPLIT_INVALID,
         };
 
         journal_reset_metrics(&c->system_storage_metrics);