CHECK: extern prototypes should be avoided in .h files
#43: FILE: tools/testing/selftests/bpf/bpf_experimental.h:579:
+extern int bpf_iter_dynptr_new(struct bpf_iter_dynptr *it, struct bpf_dynptr *p,

WARNING: line length of 81 exceeds 80 columns
#44: FILE: tools/testing/selftests/bpf/bpf_experimental.h:580:
+			       u32 offset, void *buffer, u32 buffer__szk) __ksym;

CHECK: extern prototypes should be avoided in .h files
#45: FILE: tools/testing/selftests/bpf/bpf_experimental.h:581:
+extern int *bpf_iter_dynptr_next(struct bpf_iter_dynptr *it) __ksym;

CHECK: extern prototypes should be avoided in .h files
#46: FILE: tools/testing/selftests/bpf/bpf_experimental.h:582:
+extern int bpf_iter_dynptr_set_buffer(struct bpf_iter_dynptr *it__iter,

WARNING: line length of 84 exceeds 80 columns
#48: FILE: tools/testing/selftests/bpf/bpf_experimental.h:584:
+extern u32 bpf_iter_dynptr_get_last_offset(struct bpf_iter_dynptr *it__iter) __ksym;

CHECK: extern prototypes should be avoided in .h files
#48: FILE: tools/testing/selftests/bpf/bpf_experimental.h:584:
+extern u32 bpf_iter_dynptr_get_last_offset(struct bpf_iter_dynptr *it__iter) __ksym;

CHECK: extern prototypes should be avoided in .h files
#49: FILE: tools/testing/selftests/bpf/bpf_experimental.h:585:
+extern void bpf_iter_dynptr_destroy(struct bpf_iter_dynptr *it) __ksym;

WARNING: line length of 81 exceeds 80 columns
#71: FILE: tools/testing/selftests/bpf/prog_tests/iters.c:296:
+static int subtest_dynptr_iters(struct iters_dynptr *skel, const char *prog_name)

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#129: 
new file mode 100644

WARNING: line length of 81 exceeds 80 columns
#167: FILE: tools/testing/selftests/bpf/progs/iters_dynptr.c:34:
+	bpf_iter_dynptr_new(&dynptr_it, &ptr, 0, read_data1, sizeof(read_data1));

CHECK: Comparison to NULL could be written "!read_len"
#172: FILE: tools/testing/selftests/bpf/progs/iters_dynptr.c:39:
+	if (read_len == NULL) {

CHECK: Comparison to NULL could be written "!read_len"
#197: FILE: tools/testing/selftests/bpf/progs/iters_dynptr.c:64:
+	if (read_len == NULL) {

CHECK: Alignment should match open parenthesis
#213: FILE: tools/testing/selftests/bpf/progs/iters_dynptr.c:80:
+	if (read_data2[0] != write_data[2] || read_data2[1] != write_data[3] ||
+	   read_data2[2] != write_data[4]) {

CHECK: Comparison to NULL could be written "read_len"
#219: FILE: tools/testing/selftests/bpf/progs/iters_dynptr.c:86:
+	if (read_len != NULL)

CHECK: Comparison to NULL could be written "!read_len"
#246: FILE: tools/testing/selftests/bpf/progs/iters_dynptr.c:113:
+	if (read_len == NULL) {

CHECK: Comparison to NULL could be written "read_len"
#267: FILE: tools/testing/selftests/bpf/progs/iters_dynptr.c:134:
+	if (read_len != NULL)

total: 0 errors, 5 warnings, 11 checks, 330 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 c14da7dc8c06 ("selftests/bpf: Add tests for open-coded style bpf dynamic pointer iterator") 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, 5 warnings, 11 checks, 330 lines checked