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selftests/bpf: Print unexpected output on fail

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This makes it easier to debug off-hand when the error message isn't
exactly as expected.

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Joe Stringer 2018-02-14 13:50:34 -08:00 committed by Daniel Borkmann
parent 615a947498
commit 95f87a9706
1 changed files with 2 additions and 1 deletions
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3
tools/testing/selftests/bpf/test_verifier.c
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@ -11291,7 +11291,8 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
goto fail_log;
}
if (!strstr(bpf_vlog, expected_err) && !reject_from_alignment) {
printf("FAIL\nUnexpected error message!\n");
printf("FAIL\nUnexpected error message!\n\tEXP: %s\n\tRES: %s\n",
expected_err, bpf_vlog);
goto fail_log;
}
}