journalctl,systemctl: fix tiny memleak

[elogind.git] / src / shared / logs-show.c

diff --git a/src/shared/logs-show.c b/src/shared/logs-show.c
index 8dc11bb7fd983cf98984d1c14402a526340c699f..ea4746879bf3d43b925a4832b115d91e4508c91b 100644 (file)
--- a/src/shared/logs-show.c
+++ b/src/shared/logs-show.c
@@ -1059,7 +1059,12 @@ int show_journal_by_unit(
         if (r < 0)
                 return r;
 
-        log_debug("Journal filter: %s", journal_make_match_string(j));
+        if (_unlikely_(log_get_max_level() >= LOG_PRI(LOG_DEBUG))) {
+                _cleanup_free_ char *filter;
+
+                filter = journal_make_match_string(j);
+                log_debug("Journal filter: %s", filter);
+        }
 
         r = show_journal(f, j, mode, n_columns, not_before, how_many, flags);
         if (r < 0)