WARNING: line length of 93 exceeds 80 columns
#79: FILE: kernel/bpf/syscall.c:7315:
+static int append_subprog_relos(struct bpf_prog_obj *main_prog, struct bpf_prog_obj *subprog)

WARNING: line length of 91 exceeds 80 columns
#87: FILE: kernel/bpf/syscall.c:7323:
+	relos = krealloc_array(main_prog->reloc_desc, new_cnt, sizeof(*relos), GFP_KERNEL);

WARNING: line length of 99 exceeds 80 columns
#118: FILE: kernel/bpf/syscall.c:7354:
+static struct bpf_reloc_desc *find_prog_insn_relo(const struct bpf_prog_obj *prog, size_t insn_idx)

WARNING: line length of 83 exceeds 80 columns
#126: FILE: kernel/bpf/syscall.c:7362:
+static int append_subprog_code(struct bpf_obj *obj, struct bpf_prog_obj *main_prog,

WARNING: line length of 85 exceeds 80 columns
#136: FILE: kernel/bpf/syscall.c:7372:
+	insns = krealloc_array(main_prog->insn, new_cnt, sizeof(*insns), GFP_KERNEL);

WARNING: line length of 85 exceeds 80 columns
#138: FILE: kernel/bpf/syscall.c:7374:
+		pr_warn("prog '%s': failed to realloc prog code\n", main_prog->name);

CHECK: Blank lines aren't necessary after an open brace '{'
#158: FILE: kernel/bpf/syscall.c:7394:
+{
+

WARNING: line length of 89 exceeds 80 columns
#176: FILE: kernel/bpf/syscall.c:7412:
+		if (relo && relo->type != RELO_CALL && relo->type != RELO_SUBPROG_ADDR) {

WARNING: line length of 88 exceeds 80 columns
#189: FILE: kernel/bpf/syscall.c:7425:
+			 * for subprog addr relocation, the relo->sym_off + insn->imm is

WARNING: line length of 98 exceeds 80 columns
#193: FILE: kernel/bpf/syscall.c:7429:
+				sub_idx = relo->sym_off / sizeof(struct bpf_insn) + insn->imm + 1;

WARNING: line length of 96 exceeds 80 columns
#195: FILE: kernel/bpf/syscall.c:7431:
+				sub_idx = (relo->sym_off + insn->imm) / sizeof(struct bpf_insn);

WARNING: line length of 89 exceeds 80 columns
#199: FILE: kernel/bpf/syscall.c:7435:
+			 * functions are in the same section, so it shouldn't reach here.

WARNING: else is not generally useful after a break or return
#204: FILE: kernel/bpf/syscall.c:7440:
+			return -EOPNOTSUPP;
+		} else {

WARNING: line length of 84 exceeds 80 columns
#226: FILE: kernel/bpf/syscall.c:7462:
+		 *   - process is recursively, while current program is put on hold;

WARNING: line length of 88 exceeds 80 columns
#251: FILE: kernel/bpf/syscall.c:7487:
+		insn->imm = subprog->sub_insn_off - (prog->sub_insn_off + insn_idx) - 1;

WARNING: line length of 96 exceeds 80 columns
#254: FILE: kernel/bpf/syscall.c:7490:
+			 prog->name, insn_idx, insn->imm, subprog->name, subprog->sub_insn_off);

WARNING: line length of 87 exceeds 80 columns
#260: FILE: kernel/bpf/syscall.c:7496:
+static bool prog_is_subprog(const struct bpf_obj *obj, const struct bpf_prog_obj *prog)

CHECK: Blank lines aren't necessary before a close brace '}'
#286: FILE: kernel/bpf/syscall.c:7522:
+
+}

WARNING: line length of 84 exceeds 80 columns
#299: FILE: kernel/bpf/syscall.c:7535:
+	/* we turn kfunc call into invalid helper call with identifiable constant */

WARNING: line length of 81 exceeds 80 columns
#337: FILE: kernel/bpf/syscall.c:7573:
+				insn[0].imm = obj->maps[obj->kconfig_map_idx].fd;

WARNING: line length of 89 exceeds 80 columns
#340: FILE: kernel/bpf/syscall.c:7576:
+				if (ext->ksym.type_id && ext->is_set) { /* typed ksyms */

WARNING: line length of 82 exceeds 80 columns
#343: FILE: kernel/bpf/syscall.c:7579:
+					insn[1].imm = ext->ksym.kernel_btf_obj_fd;

WARNING: line length of 87 exceeds 80 columns
#344: FILE: kernel/bpf/syscall.c:7580:
+				} else { /* typeless ksyms or unresolved typed ksyms */

WARNING: line length of 86 exceeds 80 columns
#398: FILE: kernel/bpf/syscall.c:7634:
+		if (strcmp(prog->name, btf_str_by_offset(obj->btf, t->name_off)) != 0)

WARNING: line length of 100 exceeds 80 columns
#423: FILE: kernel/bpf/syscall.c:7659:
+			/* Let's see if we already saw a static exception callback with this name */

WARNING: line length of 94 exceeds 80 columns
#436: FILE: kernel/bpf/syscall.c:7672:
+		pr_warn("prog '%s': cannot find exception callback '%s'\n", prog->name, name);

CHECK: Blank lines aren't necessary before a close brace '}'
#442: FILE: kernel/bpf/syscall.c:7678:
+
+}

WARNING: line length of 88 exceeds 80 columns
#458: FILE: kernel/bpf/syscall.c:7694:
+			/* mark the insn, so it's recognized by insn_is_pseudo_func() */

WARNING: line length of 90 exceeds 80 columns
#483: FILE: kernel/bpf/syscall.c:7719:
+		/* Now, also append exception callback if it has not been done already. */

WARNING: line length of 91 exceeds 80 columns
#485: FILE: kernel/bpf/syscall.c:7721:
+			struct bpf_prog_obj *subprog = &obj->progs[prog->exception_cb_idx];

WARNING: line length of 87 exceeds 80 columns
#487: FILE: kernel/bpf/syscall.c:7723:
+			/* Calling exception callback directly is disallowed, which the

WARNING: line length of 88 exceeds 80 columns
#488: FILE: kernel/bpf/syscall.c:7724:
+			 * verifier will reject later. In case it was processed already,

WARNING: line length of 88 exceeds 80 columns
#489: FILE: kernel/bpf/syscall.c:7725:
+			 * we can skip this step, otherwise for all other valid cases we

total: 0 errors, 30 warnings, 3 checks, 507 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 f72ba5e913c9 ("bpf: Apply in-kernel bpf instruction relocations") 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, 30 warnings, 3 checks, 507 lines checked