WARNING: line length of 85 exceeds 80 columns
#55: FILE: kernel/bpf/bpf_struct_ops.c:413:
+			ret_type = btf_type_resolve_ptr(btf, func_proto->type, NULL);

WARNING: line length of 87 exceeds 80 columns
#124: FILE: kernel/bpf/verifier.c:16357:
+			/* Allow a struct_ops program to return a referenced kptr if it

WARNING: line length of 86 exceeds 80 columns
#125: FILE: kernel/bpf/verifier.c:16358:
+			 * matches the operator's return type and is in its unmodified

WARNING: line length of 86 exceeds 80 columns
#126: FILE: kernel/bpf/verifier.c:16359:
+			 * form. A scalar zero (i.e., a null pointer) is also allowed.

WARNING: line length of 91 exceeds 80 columns
#128: FILE: kernel/bpf/verifier.c:16361:
+			reg_type = reg->btf ? btf_type_by_id(reg->btf, reg->btf_id) : NULL;

WARNING: line length of 91 exceeds 80 columns
#130: FILE: kernel/bpf/verifier.c:16363:
+							prog->aux->attach_func_proto->type,

WARNING: line length of 83 exceeds 80 columns
#133: FILE: kernel/bpf/verifier.c:16366:
+				return __check_ptr_off_reg(env, reg, regno, false);

total: 0 errors, 7 warnings, 0 checks, 105 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 ca64995e9131 ("bpf: Allow struct_ops prog to return referenced 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, 7 warnings, 0 checks, 105 lines checked