WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#29: 
new file mode 100644

WARNING: Missing a blank line after declarations
#47: FILE: tools/testing/selftests/bpf/prog_tests/skb_map_kptrs.c:14:
+	int i;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,

CHECK: Alignment should match open parenthesis
#48: FILE: tools/testing/selftests/bpf/prog_tests/skb_map_kptrs.c:15:
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,

WARNING: line length of 86 exceeds 80 columns
#53: FILE: tools/testing/selftests/bpf/prog_tests/skb_map_kptrs.c:20:
+	err = bpf_prog_test_load("skb_map_kptrs.bpf.o", BPF_PROG_TYPE_SCHED_CLS, &obj,

WARNING: Prefer using '"%s...", __func__' to using 'skb_map_kptrs', this function's name, in a string
#53: FILE: tools/testing/selftests/bpf/prog_tests/skb_map_kptrs.c:20:
+	err = bpf_prog_test_load("skb_map_kptrs.bpf.o", BPF_PROG_TYPE_SCHED_CLS, &obj,

CHECK: No space is necessary after a cast
#119: FILE: tools/testing/selftests/bpf/progs/skb_map_kptrs.c:5:
+void *bpf_cast_to_kern_ctx(void *) __ksym;

total: 0 errors, 4 warnings, 2 checks, 152 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 c729963b0f1d ("selftests: bpf: implement test case for skb kptr map storage") 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, 4 warnings, 2 checks, 152 lines checked