CHECK: Alignment should match open parenthesis
#32: FILE: tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c:147:
+	DECLARE_LIBBPF_OPTS(bpf_map_batch_opts, ignore_opts,
+		.elem_flags = 0,

CHECK: Alignment should match open parenthesis
#37: FILE: tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c:152:
+	err = bpf_map_delete_batch(map_fd, keys, &count,
+	       &ignore_opts);

WARNING: line length of 84 exceeds 80 columns
#38: FILE: tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c:153:
+	CHECK(err, "batch delete with missing key", "error: %s\n", strerror(errno));

CHECK: spaces preferred around that '-' (ctx:VxV)
#39: FILE: tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c:154:
+	CHECK(count != max_entries-1, "count != max_entries-1",
 	                          ^

total: 0 errors, 1 warnings, 3 checks, 26 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 89d8f8888faf ("selftests/bpf: Add a test for batch operation flag") 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, 1 warnings, 3 checks, 26 lines checked