Merge branch 'x86-asmlinkage-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / scripts / mod / modpost.c

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 99a45fdc1bbfa9a15e7bbd6e4f9ec14a8a8c2357..066355673930342a1b5e839950cbd1186ed6c24b 100644 (file)
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -623,7 +623,10 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
 
        switch (sym->st_shndx) {
        case SHN_COMMON:
-               warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);
+               if (!strncmp(symname, "__gnu_lto_", sizeof("__gnu_lto_")-1)) {
+                       /* Should warn here, but modpost runs before the linker */
+               } else
+                       warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);
                break;
        case SHN_UNDEF:
                /* undefined symbol */
@@ -849,6 +852,7 @@ static const char *section_white_list[] =
        ".xt.lit",         /* xtensa */
        ".arcextmap*",                  /* arc */
        ".gnu.linkonce.arcext*",        /* arc : modules */
+       ".gnu.lto*",
        NULL
 };
 
@@ -1455,6 +1459,10 @@ static void check_section_mismatch(const char *modname, struct elf_info *elf,
                to = find_elf_symbol(elf, r->r_addend, sym);
                tosym = sym_name(elf, to);
 
+               if (!strncmp(fromsym, "reference___initcall",
+                               sizeof("reference___initcall")-1))
+                       return;
+
                /* check whitelist - we may ignore it */
                if (secref_whitelist(mismatch,
                                        fromsec, fromsym, tosec, tosym)) {
@@ -1693,6 +1701,19 @@ static void check_sec_ref(struct module *mod, const char *modname,
        }
 }
 
+static char *remove_dot(char *s)
+{
+       char *end;
+       int n = strcspn(s, ".");
+
+       if (n > 0 && s[n] != 0) {
+               strtoul(s + n + 1, &end, 10);
+               if  (end > s + n + 1 && (*end == '.' || *end == 0))
+                       s[n] = 0;
+       }
+       return s;
+}
+
 static void read_symbols(char *modname)
 {
        const char *symname;
@@ -1731,7 +1752,7 @@ static void read_symbols(char *modname)
        }
 
        for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {
-               symname = info.strtab + sym->st_name;
+               symname = remove_dot(info.strtab + sym->st_name);
 
                handle_modversions(mod, &info, sym, symname);
                handle_moddevtable(mod, &info, sym, symname);