2 files changed, 31 insertions, 5 deletions

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index cd00e9f07589..b36e884f5f96 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -487,14 +487,14 @@ static int strrcmp(const char *s, const char *sub)
  *   atsym   =__param*
  *
  * Pattern 2:
- *   Many drivers utilise a *_driver container with references to
+ *   Many drivers utilise a *driver container with references to
  *   add, remove, probe functions etc.
  *   These functions may often be marked __init and we do not want to
  *   warn here.
  *   the pattern is identified by:
  *   tosec   = .init.text | .exit.text | .init.data
  *   fromsec = .data
- *   atsym = *_driver, *_template, *_sht, *_ops, *_probe, *probe_one
+ *   atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one
  **/
 static int secref_whitelist(const char *tosec, const char *fromsec,
                             const char *atsym)
@@ -502,7 +502,7 @@ static int secref_whitelist(const char *tosec, const char *fromsec,
         int f1 = 1, f2 = 1;
         const char **s;
         const char *pat2sym[] = {
-                "_driver",
+                "driver",
                 "_template", /* scsi uses *_template a lot */
                 "_sht",      /* scsi also used *_sht to some extent */
                 "_ops",
@@ -709,10 +709,17 @@ static void check_sec_ref(struct module *mod, const char *modname,
                 for (rela = start; rela < stop; rela++) {
                         Elf_Rela r;
                         const char *secname;
+                        unsigned int r_sym;
                         r.r_offset = TO_NATIVE(rela->r_offset);
-                        r.r_info   = TO_NATIVE(rela->r_info);
+                        if (hdr->e_ident[EI_CLASS] == ELFCLASS64 &&
+                            hdr->e_machine == EM_MIPS) {
+                                r_sym = ELF64_MIPS_R_SYM(rela->r_info);
+                                r_sym = TO_NATIVE(r_sym);
+                        } else {
+                                r_sym = ELF_R_SYM(TO_NATIVE(rela->r_info));
+                        }
                         r.r_addend = TO_NATIVE(rela->r_addend);
-                        sym = elf->symtab_start + ELF_R_SYM(r.r_info);
+                        sym = elf->symtab_start + r_sym;
                         /* Skip special sections */
                         if (sym->st_shndx >= SHN_LORESERVE)
                                 continue;
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index b14255c72a37..89b96c6d8ef5 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -39,6 +39,25 @@
 #define ELF_R_TYPE  ELF64_R_TYPE
 #endif
 
+/* The 64-bit MIPS ELF ABI uses an unusual reloc format. */
+typedef struct
+{
+  Elf32_Word    r_sym;          /* Symbol index */
+  unsigned char r_ssym;         /* Special symbol for 2nd relocation */
+  unsigned char r_type3;        /* 3rd relocation type */
+  unsigned char r_type2;        /* 2nd relocation type */
+  unsigned char r_type1;        /* 1st relocation type */
+} _Elf64_Mips_R_Info;
+
+typedef union
+{
+  Elf64_Xword   r_info_number;
+  _Elf64_Mips_R_Info r_info_fields;
+} _Elf64_Mips_R_Info_union;
+
+#define ELF64_MIPS_R_SYM(i) \
+  ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_sym)
+
 #if KERNEL_ELFDATA != HOST_ELFDATA
 
 static inline void __endian(const void *src, void *dest, unsigned int size)