[PATCH] fix modpost segfault for 64bit mipsel kernel

[Atsushi Nemoto <anemo@xxxxxxxxxxxxx>]

64bit mips has different r_info layout.  This patch fixes modpost
segfault for 64bit little endian mips kernel.

Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index cd00e9f..7846600 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -712,7 +712,13 @@ static void check_sec_ref(struct module 
 			r.r_offset = TO_NATIVE(rela->r_offset);
 			r.r_info   = TO_NATIVE(rela->r_info);
 			r.r_addend = TO_NATIVE(rela->r_addend);
+#if KERNEL_ELFCLASS == ELFCLASS64 && KERNEL_ELFDATA == ELFDATA2LSB
+			sym = elf->symtab_start +
+				(hdr->e_machine == EM_MIPS ?
+				 (Elf32_Word)r.r_info : ELF_R_SYM(r.r_info));
+#else
 			sym = elf->symtab_start + ELF_R_SYM(r.r_info);
+#endif
 			/* Skip special sections */
 			if (sym->st_shndx >= SHN_LORESERVE)
 				continue;