WARNING: line length of 94 exceeds 80 columns
#178: FILE: tools/lib/bpf/btf.c:3206:
+static void *btf_ext_raw_data(const struct btf_ext *btf_ext_ro, __u32 *size, bool swap_endian)

WARNING: line length of 84 exceeds 80 columns
#230: FILE: tools/lib/bpf/btf.c:3257:
+		return btf_ext->swapped_endian ? BTF_LITTLE_ENDIAN : BTF_BIG_ENDIAN;

WARNING: line length of 84 exceeds 80 columns
#232: FILE: tools/lib/bpf/btf.c:3259:
+		return btf_ext->swapped_endian ? BTF_BIG_ENDIAN : BTF_LITTLE_ENDIAN;

WARNING: line length of 85 exceeds 80 columns
#240: FILE: tools/lib/bpf/btf.c:3267:
+	btf_ext->swapped_endian = is_host_big_endian() != (endian == BTF_BIG_ENDIAN);

CHECK: Please don't use multiple blank lines
#248: FILE: tools/lib/bpf/btf.c:3275:
+
+

WARNING: line length of 82 exceeds 80 columns
#260: FILE: tools/lib/bpf/btf.h:170:
+LIBBPF_API enum btf_endianness btf_ext__endianness(const struct btf_ext *btf_ext);

WARNING: line length of 92 exceeds 80 columns
#261: FILE: tools/lib/bpf/btf.h:171:
+LIBBPF_API int btf_ext__set_endianness(struct btf_ext *btf_ext, enum btf_endianness endian);

total: 0 errors, 6 warnings, 1 checks, 236 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 add9024f0a1a ("libbpf: Support BTF.ext loading and output in either endianness") 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, 6 warnings, 1 checks, 236 lines checked