WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#66: 
new file mode 100644

WARNING: line length of 83 exceeds 80 columns
#113: FILE: tools/testing/vsock/virtio_vsock_test.c:43:
+static void test_stream_deferred_credit_update_client(const struct test_opts *opts)

CHECK: Alignment should match open parenthesis
#160: FILE: tools/testing/vsock/virtio_vsock_test.c:90:
+	if (setsockopt(fd, SOL_SOCKET, SO_RCVBUFFORCE, &rcv_buf,
+				sizeof(rcv_buf))) {

WARNING: line length of 84 exceeds 80 columns
#175: FILE: tools/testing/vsock/virtio_vsock_test.c:105:
+	if (bind(fd, (struct sockaddr *)&addr_ll, sizeof(struct sockaddr_ll)) < 0) {

CHECK: Please don't use multiple blank lines
#183: FILE: tools/testing/vsock/virtio_vsock_test.c:113:
+
+

CHECK: Alignment should match open parenthesis
#207: FILE: tools/testing/vsock/virtio_vsock_test.c:137:
+		fprintf(stderr, "Unexpected op: %hhu, but %hhu expected\n",
+				hdr->op, expected_op);

WARNING: line length of 83 exceeds 80 columns
#212: FILE: tools/testing/vsock/virtio_vsock_test.c:142:
+static void test_stream_deferred_credit_update_server(const struct test_opts *opts)

WARNING: line length of 82 exceeds 80 columns
#251: FILE: tools/testing/vsock/virtio_vsock_test.c:181:
+			fprintf(stderr, "unexpected 'recv()' return: %zi\n", ret);

WARNING: line length of 202 exceeds 80 columns
#348: FILE: tools/testing/vsock/virtio_vsock_test.c:278:
+	fprintf(stderr, "Usage: virtio_vsock_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid> [--peer-port=<port>] [--list] [--interface=<iface name>]\n"

CHECK: braces {} should be used on all arms of this statement
#402: FILE: tools/testing/vsock/virtio_vsock_test.c:332:
+			if (strcmp(optarg, "client") == 0)
[...]
+			else if (strcmp(optarg, "server") == 0)
[...]
+			else {
[...]

CHECK: Unbalanced braces around else statement
#406: FILE: tools/testing/vsock/virtio_vsock_test.c:336:
+			else {

WARNING: line length of 93 exceeds 80 columns
#407: FILE: tools/testing/vsock/virtio_vsock_test.c:337:
+				fprintf(stderr, "--mode must be \"client\" or \"server\"\n");

total: 0 errors, 7 warnings, 5 checks, 381 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 9c1d3bdf812a ("vsock/test: add test for deferred credit update") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 7 warnings, 5 checks, 381 lines checked