WARNING: kfree(NULL) is safe and this check is probably not required #109: FILE: kernel/bpf/syscall.c:2319: + if (prog->aux->ctx_arg_info) + kfree(prog->aux->ctx_arg_info); WARNING: line length of 87 exceeds 80 columns #151: FILE: kernel/bpf/verifier.c:22497: + return bpf_prog_ctx_arg_info_init(prog, st_ops_desc->arg_info[member_idx].info, WARNING: line length of 81 exceeds 80 columns #152: FILE: kernel/bpf/verifier.c:22498: + st_ops_desc->arg_info[member_idx].cnt); total: 0 errors, 3 warnings, 0 checks, 112 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 3e25437b1cb9 ("bpf: Make every prog keep a copy of ctx_arg_info") 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, 3 warnings, 0 checks, 112 lines checked