dbwrap_cache: Check negative first

dbwrap_cache is right now used for notify most, and we hope to have very
few notifies around. So negative hits will be more likely than positive

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/dbwrap/dbwrap_cache.c b/lib/dbwrap/dbwrap_cache.c
index 6c6b795a41..c5f7cce61a 100644
--- a/lib/dbwrap/dbwrap_cache.c
+++ b/lib/dbwrap/dbwrap_cache.c
@@ -69,13 +69,13 @@ static NTSTATUS dbwrap_cache_parse_record(
 		return NT_STATUS_NO_MEMORY;
 	}
 
+	if (dbwrap_exists(ctx->negative, key)) {
+		return NT_STATUS_NOT_FOUND;
+	}
 	status = dbwrap_parse_record(ctx->positive, key, parser, private_data);
 	if (NT_STATUS_IS_OK(status)) {
 		return status;
 	}
-	if (dbwrap_exists(ctx->negative, key)) {
-		return NT_STATUS_NOT_FOUND;
-	}
 
 	status = dbwrap_fetch(ctx->backing, talloc_tos(), key, &value);