WARNING: line length of 82 exceeds 80 columns
#69: FILE: tools/bpf/bpftool/gen.c:882:
+			s->maps = (struct bpf_map_skeleton *)calloc(s->map_cnt,\n\

WARNING: line length of 92 exceeds 80 columns
#70: FILE: tools/bpf/bpftool/gen.c:883:
+					sizeof(*s->maps) > %zu ? sizeof(*s->maps) : %zu);\n\

WARNING: line length of 109 exceeds 80 columns
#89: FILE: tools/bpf/bpftool/gen.c:899:
+				map = (struct bpf_map_skeleton *)((char *)s->maps + %zu * s->map_skel_sz);\n\

WARNING: unnecessary whitespace before a quoted newline
#90: FILE: tools/bpf/bpftool/gen.c:900:
+				map->name = \"%s\";		    \n\

WARNING: unnecessary whitespace before a quoted newline
#99: FILE: tools/bpf/bpftool/gen.c:906:
+			printf("\tmap->mmaped = (void **)&obj->%s;  \n", ident);

WARNING: __always_unused or __maybe_unused is preferred over __attribute__((__unused__))
#117: FILE: tools/bpf/bpftool/gen.c:1482:
+			struct bpf_map_skeleton *map __attribute__((unused));\n\

WARNING: __always_unused or __maybe_unused is preferred over __attribute__((__unused__))
#125: FILE: tools/bpf/bpftool/gen.c:1773:
+			struct bpf_map_skeleton *map __attribute__((unused));\n\

total: 0 errors, 7 warnings, 0 checks, 91 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 d4807a98d568 ("bpftool: improve skeleton backwards compat with old buggy libbpfs") 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, 91 lines checked