WARNING: line length of 81 exceeds 80 columns
#124: FILE: tools/lib/bpf/btf.c:642:
+			err = btf_validate_str(btf, l->name_off, "loc name", id);

WARNING: line length of 93 exceeds 80 columns
#271: FILE: tools/lib/bpf/btf.c:3187:
+int btf__add_locsec_loc(struct btf *btf, const char *name, __u32 func_proto, __u32 loc_proto,

WARNING: line length of 85 exceeds 80 columns
#327: FILE: tools/lib/bpf/btf.c:4001:
+		/* VAR DATASEC and LOCSEC are never deduped and are self-canonical */

CHECK: Comparison to NULL could be written "!dist->pipe.dst->base_btf"
#484: FILE: tools/lib/bpf/btf.c:5910:
+	bool adding_to_base = dist->pipe.dst->base_btf == NULL;

WARNING: line length of 90 exceeds 80 columns
#511: FILE: tools/lib/bpf/btf.h:250:
+LIBBPF_API int btf__add_loc_param(struct btf *btf, __s32 size, bool is_value, __u64 value,

WARNING: line length of 87 exceeds 80 columns
#520: FILE: tools/lib/bpf/btf.h:259:
+LIBBPF_API int btf__add_locsec_loc(struct btf *btf, const char *name, __u32 func_proto,

WARNING: line length of 81 exceeds 80 columns
#545: FILE: tools/lib/bpf/btf.h:390:
+			__s32 offset;	/* offset from register-stored address */

total: 0 errors, 6 warnings, 1 checks, 659 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 defcc78ac8d0 ("libbpf: Add support for BTF kinds LOC_PARAM, LOC_PROTO and LOCSEC") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 659 lines checked