linux-kernel - [PATCH bpf 2/5] selftests/bpf: cleanup some file descriptors in test

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Message-Id: <20200527185700.14658-3-a.s.protopopov@gmail.com>
Date:   Wed, 27 May 2020 18:56:57 +0000
From:   Anton Protopopov <a.s.protopopov@...il.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Shuah Khan <shuah@...nel.org>
Cc:     Anton Protopopov <a.s.protopopov@...il.com>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Andrii Nakryiko <andriin@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: [PATCH bpf 2/5] selftests/bpf: cleanup some file descriptors in test_maps

The test_map_rdonly and test_map_wronly tests should close file descriptors
which they open.

Signed-off-by: Anton Protopopov <a.s.protopopov@...il.com>
---
 tools/testing/selftests/bpf/test_maps.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index f717acc0c68d..46cf2c232964 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -1401,6 +1401,8 @@ static void test_map_rdonly(void)
 	/* Check that key=2 is not found. */
 	assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == ENOENT);
 	assert(bpf_map_get_next_key(fd, &key, &value) == -1 && errno == ENOENT);
+
+	close(fd);
 }
 
 static void test_map_wronly(void)
@@ -1423,6 +1425,8 @@ static void test_map_wronly(void)
 	/* Check that key=2 is not found. */
 	assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == EPERM);
 	assert(bpf_map_get_next_key(fd, &key, &value) == -1 && errno == EPERM);
+
+	close(fd);
 }
 
 static void prepare_reuseport_grp(int type, int map_fd, size_t map_elem_size,
-- 
2.20.1