[MIPS] Ignore unresolved weak symbols in modules.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c
index e54a7f442f8adc271af20fcf7ac310e9fb9e8bb0..d7bf0215bc1d28eb40160366afbdd59b41fea470 100644 (file)
--- a/arch/mips/kernel/module.c
+++ b/arch/mips/kernel/module.c
@@ -288,6 +288,9 @@ int apply_relocate(Elf_Shdr *sechdrs, const char *strtab,
                sym = (Elf_Sym *)sechdrs[symindex].sh_addr
                        + ELF_MIPS_R_SYM(rel[i]);
                if (!sym->st_value) {
+                       /* Ignore unresolved weak symbol */
+                       if (ELF_ST_BIND(sym->st_info) == STB_WEAK)
+                               continue;
                        printk(KERN_WARNING "%s: Unknown symbol %s\n",
                               me->name, strtab + sym->st_name);
                        return -ENOENT;
@@ -325,6 +328,9 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
                sym = (Elf_Sym *)sechdrs[symindex].sh_addr
                        + ELF_MIPS_R_SYM(rel[i]);
                if (!sym->st_value) {
+                       /* Ignore unresolved weak symbol */
+                       if (ELF_ST_BIND(sym->st_info) == STB_WEAK)
+                               continue;
                        printk(KERN_WARNING "%s: Unknown symbol %s\n",
                               me->name, strtab + sym->st_name);
                        return -ENOENT;