| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.7 251/376] selftests/bpf, flow_dissector: Close TAP device FD after the test | Date | Fri, 19 Jun 2020 16:32:49 +0200 |
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From: Jakub Sitnicki <jakub@cloudflare.com>
[ Upstream commit b8215dce7dfd817ca38807f55165bf502146cd68 ]
test_flow_dissector leaves a TAP device after it's finished, potentially interfering with other tests that will run after it. Fix it by closing the TAP descriptor on cleanup.
Fixes: 0905beec9f52 ("selftests/bpf: run flow dissector tests in skb-less mode") Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200531082846.2117903-11-jakub@cloudflare.com Signed-off-by: Sasha Levin <sashal@kernel.org> --- tools/testing/selftests/bpf/prog_tests/flow_dissector.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c index 92563898867c..9f3634c9971d 100644 --- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c +++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c @@ -523,6 +523,7 @@ void test_flow_dissector(void) CHECK_ATTR(err, tests[i].name, "bpf_map_delete_elem %d\n", err); } + close(tap_fd); bpf_prog_detach(prog_fd, BPF_FLOW_DISSECTOR); bpf_object__close(obj); } -- 2.25.1
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