netdev - [PATCH bpf-next] selftests/bpf: fix clearing buffered output between tests/subtests

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Message-ID: <20190730175652.181547-1-andriin@fb.com>
Date:   Tue, 30 Jul 2019 10:56:52 -0700
From:   Andrii Nakryiko <andriin@...com>
To:     <bpf@...r.kernel.org>, <netdev@...r.kernel.org>, <ast@...com>,
        <daniel@...earbox.net>
CC:     <andrii.nakryiko@...il.com>, <kernel-team@...com>,
        Andrii Nakryiko <andriin@...com>
Subject: [PATCH bpf-next] selftests/bpf: fix clearing buffered output between tests/subtests

Clear buffered output once test or subtests finishes even if test was
successful. Not doing this leads to accumulation of output from previous
tests and on first failed tests lots of irrelevant output will be
dumped, greatly confusing things.

Fixed: 3a516a0a3a7b ("selftests/bpf: add sub-tests support for test_progs")
Signed-off-by: Andrii Nakryiko <andriin@...com>
---
 tools/testing/selftests/bpf/test_progs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 546d99b3ec34..db00196c8315 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -46,8 +46,8 @@ static void dump_test_log(const struct prog_test_def *test, bool failed)
 			if (env.log_buf[env.log_cnt - 1] != '\n')
 				fprintf(stdout, "\n");
 		}
-		env.log_cnt = 0;
 	}
+	env.log_cnt = 0;
 }
 
 void test__end_subtest()
-- 
2.17.1