WARNING: line length of 82 exceeds 80 columns
#45: FILE: kernel/bpf/syscall.c:6633:
+static int find_elf_sec_sz(const struct bpf_obj *obj, const char *name, u32 *size)

CHECK: Blank lines aren't necessary before a close brace '}'
#78: FILE: kernel/bpf/syscall.c:6666:
+
+	}

WARNING: line length of 81 exceeds 80 columns
#110: FILE: kernel/bpf/syscall.c:6698:
+	if (strcmp(sec_name, ".kconfig") == 0 || strcmp(sec_name, ".ksyms") == 0)

WARNING: line length of 88 exceeds 80 columns
#141: FILE: kernel/bpf/syscall.c:6729:
+			pr_debug("sec '%s': unexpected non-VAR type found\n", sec_name);

WARNING: line length of 92 exceeds 80 columns
#146: FILE: kernel/bpf/syscall.c:6734:
+		if (var->linkage == BTF_VAR_STATIC || var->linkage == BTF_VAR_GLOBAL_EXTERN)

CHECK: Logical continuations should be on the previous line
#174: FILE: kernel/bpf/syscall.c:6762:
+		if (ELF64_ST_VISIBILITY(sym->st_other) == STV_HIDDEN
+		    || ELF64_ST_VISIBILITY(sym->st_other) == STV_INTERNAL)

WARNING: line length of 84 exceeds 80 columns
#192: FILE: kernel/bpf/syscall.c:6780:
+		struct btf_type *t = (struct btf_type *)btf_type_by_id(obj->btf, i);

total: 0 errors, 5 warnings, 2 checks, 201 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 64c950d221fb ("bpf: Implement BTF fixup functionality") 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, 5 warnings, 2 checks, 201 lines checked