s3: Fix Coverity ID 2744: CHECKED_RETURN

diff --git a/source3/lib/dbwrap/dbwrap_tdb.c b/source3/lib/dbwrap/dbwrap_tdb.c
index 2041613be2dc913e8d76b070f8f675685ecc1657..59ed7910f70187f325cf3ae8c1ef6f2869d32ed5 100644 (file)
--- a/source3/lib/dbwrap/dbwrap_tdb.c
+++ b/source3/lib/dbwrap/dbwrap_tdb.c
@@ -110,7 +110,12 @@ static struct db_record *db_tdb_fetch_locked_internal(
        state.mem_ctx = mem_ctx;
        state.result = NULL;
 
-       tdb_parse_record(ctx->wtdb->tdb, key, db_tdb_fetchlock_parse, &state);
+       if ((tdb_parse_record(ctx->wtdb->tdb, key, db_tdb_fetchlock_parse,
+                             &state) < 0) &&
+           (tdb_error(ctx->wtdb->tdb) != TDB_ERR_NOEXIST)) {
+               tdb_chainunlock(ctx->wtdb->tdb, key);
+               return NULL;
+       }
 
        if (state.result == NULL) {
                db_tdb_fetchlock_parse(key, tdb_null, &state);