reftable: check reftable_stack_auto_compact() return value

Fixes a problem detected by Coverity.

Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/reftable/stack_test.c b/reftable/stack_test.c
index eb0b7228b0c65bf5461282be7dfd3e6cb7786c9b..d628420e63a81a967a8b669d612a86c3a46081f3 100644 (file)
--- a/reftable/stack_test.c
+++ b/reftable/stack_test.c
@@ -814,6 +814,7 @@ static void test_reftable_stack_auto_compaction(void)
                EXPECT_ERR(err);
 
                err = reftable_stack_auto_compact(st);
+               EXPECT_ERR(err);
                EXPECT(i < 3 || st->merged->stack_len < 2 * fastlog2(i));
        }