WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#19: 
new file mode 100644

CHECK: Alignment should match open parenthesis
#32: FILE: tools/testing/selftests/bpf/prog_tests/prog_call.c:9:
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#133: FILE: tools/testing/selftests/bpf/progs/prog_call.c:26:
+__noinline static void subprog2(volatile int *a)

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#140: FILE: tools/testing/selftests/bpf/progs/prog_call.c:33:
+	volatile int a[100] = {};

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#152: FILE: tools/testing/selftests/bpf/progs/prog_call.c:45:
+	volatile int a[100] = {};

total: 0 errors, 4 warnings, 1 checks, 170 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 38f57e870a5b ("selftests/bpf: Add tests for bpf_prog_call()") 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, 1 checks, 170 lines checked