linux-kernel - [PATCH bpf 3/5] selftests/bpf: cleanup comments in test

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Date:   Wed, 27 May 2020 18:56:58 +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 3/5] selftests/bpf: cleanup comments in test_maps

Make comments inside the test_map_rdonly and test_map_wronly tests
consistent with logic.

Signed-off-by: Anton Protopopov <a.s.protopopov@...il.com>
---
 tools/testing/selftests/bpf/test_maps.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 46cf2c232964..08d63948514a 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -1394,11 +1394,11 @@ static void test_map_rdonly(void)
 
 	key = 1;
 	value = 1234;
-	/* Insert key=1 element. */
+	/* Try to insert key=1 element. */
 	assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == -1 &&
 	       errno == EPERM);
 
-	/* Check that key=2 is not found. */
+	/* Check that key=1 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);
 
@@ -1422,7 +1422,7 @@ static void test_map_wronly(void)
 	/* Insert key=1 element. */
 	assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
 
-	/* Check that key=2 is not found. */
+	/* Check that reading elements and keys from the map is not allowed. */
 	assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == EPERM);
 	assert(bpf_map_get_next_key(fd, &key, &value) == -1 && errno == EPERM);
 
-- 
2.20.1