CHECK: spaces preferred around that '*' (ctx:WxV)
#30: FILE: tools/testing/selftests/bpf/progs/local_kptr_stash.c:16:
+	struct prog_test_ref_kfunc __kptr *stashed_in_kptr;
 	                                  ^

CHECK: spaces preferred around that '*' (ctx:WxV)
#31: FILE: tools/testing/selftests/bpf/progs/local_kptr_stash.c:17:
+	struct plain_local __kptr *stashed_in_local_kptr;
 	                          ^

WARNING: line length of 88 exceeds 80 columns
#79: FILE: tools/testing/selftests/bpf/progs/local_kptr_stash.c:130:
+	inner_local_kptr = bpf_kptr_xchg(&res->stashed_in_local_kptr, inner_local_kptr);

WARNING: line length of 96 exceeds 80 columns
#110: FILE: tools/testing/selftests/bpf/progs/local_kptr_stash.c:230:
+		inner_local_kptr = bpf_kptr_xchg(&res->stashed_in_local_kptr, inner_local_kptr);

total: 0 errors, 2 warnings, 2 checks, 95 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 8bf5d9a21804 ("selftests/bpf: Test bpf_kptr_xchg stashing into local kptr") 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, 2 warnings, 2 checks, 95 lines checked