selftests/bpf: add missing \n to flow_dissector CHECK errors

Otherwise, in case of an error, everything gets mushed together.

Fixes: a5cb33464e53 ("selftests/bpf: make flow dissector tests more extensible")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
index 8b54adfd626449a1b4a6621d6b5c2dad5ec75083..d40cee07a22416c5acd5454177a75bc3bf189f58 100644 (file)
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
@@ -242,12 +242,12 @@ void test_flow_dissector(void)
         */
 
        err = bpf_prog_attach(prog_fd, 0, BPF_FLOW_DISSECTOR, 0);
-       CHECK(err, "bpf_prog_attach", "err %d errno %d", err, errno);
+       CHECK(err, "bpf_prog_attach", "err %d errno %d\n", err, errno);
 
        tap_fd = create_tap("tap0");
-       CHECK(tap_fd < 0, "create_tap", "tap_fd %d errno %d", tap_fd, errno);
+       CHECK(tap_fd < 0, "create_tap", "tap_fd %d errno %d\n", tap_fd, errno);
        err = ifup("tap0");
-       CHECK(err, "ifup", "err %d errno %d", err, errno);
+       CHECK(err, "ifup", "err %d errno %d\n", err, errno);
 
        for (i = 0; i < ARRAY_SIZE(tests); i++) {
                struct bpf_flow_keys flow_keys = {};
@@ -255,7 +255,7 @@ void test_flow_dissector(void)
                __u32 key = 0;
 
                err = tx_tap(tap_fd, &tests[i].pkt, sizeof(tests[i].pkt));
-               CHECK(err < 0, "tx_tap", "err %d errno %d", err, errno);
+               CHECK(err < 0, "tx_tap", "err %d errno %d\n", err, errno);
 
                err = bpf_map_lookup_elem(keys_fd, &key, &flow_keys);
                CHECK_ATTR(err, tests[i].name, "bpf_map_lookup_elem %d\n", err);