modpost: squash report_extable_warnings() into extable_mismatch_handler()
authorMasahiro Yamada <masahiroy@kernel.org>
Sun, 14 May 2023 15:27:22 +0000 (00:27 +0900)
committerMasahiro Yamada <masahiroy@kernel.org>
Mon, 22 May 2023 01:34:38 +0000 (10:34 +0900)
Collect relevant code into one place to clarify all the cases are
covered by 'if () ... else if ... else ...'.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
scripts/mod/modpost.c

index 371891d..7a9a3ef 100644 (file)
@@ -1275,40 +1275,19 @@ static int is_executable_section(struct elf_info* elf, unsigned int section_inde
        return ((elf->sechdrs[section_index].sh_flags & SHF_EXECINSTR) == SHF_EXECINSTR);
 }
 
-static void report_extable_warnings(const char* modname, struct elf_info* elf,
-                                   const struct sectioncheck* const mismatch,
-                                   Elf_Rela* r, Elf_Sym* sym,
-                                   const char* fromsec, const char* tosec)
-{
-       Elf_Sym* tosym = find_elf_symbol(elf, r->r_addend, sym);
-       const char* tosym_name = sym_name(elf, tosym);
-
-       warn("%s(%s+0x%lx): Section mismatch in reference to the %s:%s\n",
-            modname, fromsec, (long)r->r_offset, tosec, tosym_name);
-
-       if (!match(tosec, mismatch->bad_tosec) &&
-           is_executable_section(elf, get_secindex(elf, sym)))
-               fprintf(stderr,
-                       "The relocation at %s+0x%lx references\n"
-                       "section \"%s\" which is not in the list of\n"
-                       "authorized sections.  If you're adding a new section\n"
-                       "and/or if this reference is valid, add \"%s\" to the\n"
-                       "list of authorized sections to jump to on fault.\n"
-                       "This can be achieved by adding \"%s\" to \n"
-                       "OTHER_TEXT_SECTIONS in scripts/mod/modpost.c.\n",
-                       fromsec, (long)r->r_offset, tosec, tosec, tosec);
-}
-
 static void extable_mismatch_handler(const char* modname, struct elf_info *elf,
                                     const struct sectioncheck* const mismatch,
                                     Elf_Rela* r, Elf_Sym* sym,
                                     const char *fromsec)
 {
        const char* tosec = sec_name(elf, get_secindex(elf, sym));
+       Elf_Sym *tosym = find_elf_symbol(elf, r->r_addend, sym);
+       const char *tosym_name = sym_name(elf, tosym);
 
        sec_mismatch_count++;
 
-       report_extable_warnings(modname, elf, mismatch, r, sym, fromsec, tosec);
+       warn("%s(%s+0x%lx): Section mismatch in reference to the %s:%s\n",
+            modname, fromsec, (long)r->r_offset, tosec, tosym_name);
 
        if (match(tosec, mismatch->bad_tosec))
                fatal("The relocation at %s+0x%lx references\n"
@@ -1317,7 +1296,16 @@ static void extable_mismatch_handler(const char* modname, struct elf_info *elf,
                      "You might get more information about where this is\n"
                      "coming from by using scripts/check_extable.sh %s\n",
                      fromsec, (long)r->r_offset, tosec, modname);
-       else if (!is_executable_section(elf, get_secindex(elf, sym)))
+       else if (is_executable_section(elf, get_secindex(elf, sym)))
+               warn("The relocation at %s+0x%lx references\n"
+                    "section \"%s\" which is not in the list of\n"
+                    "authorized sections.  If you're adding a new section\n"
+                    "and/or if this reference is valid, add \"%s\" to the\n"
+                    "list of authorized sections to jump to on fault.\n"
+                    "This can be achieved by adding \"%s\" to\n"
+                    "OTHER_TEXT_SECTIONS in scripts/mod/modpost.c.\n",
+                    fromsec, (long)r->r_offset, tosec, tosec, tosec);
+       else
                error("%s+0x%lx references non-executable section '%s'\n",
                      fromsec, (long)r->r_offset, tosec);
 }