ARM: module: clean up handling of ELF unwind tables

There's no need to keep pointers to the ELF sections available while
the module is loaded - we only need the section pointers while we're
finding and registering the unwind tables, which can all be done during
the finalize stage of loading.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index cbb0bc2..12c8e68 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -8,11 +8,6 @@
 struct unwind_table;
 
 #ifdef CONFIG_ARM_UNWIND
-struct arm_unwind_mapping {
-	Elf_Shdr *unw_sec;
-	Elf_Shdr *sec_text;
-	struct unwind_table *unwind;
-};
 enum {
 	ARM_SEC_INIT,
 	ARM_SEC_DEVINIT,
@@ -21,14 +16,14 @@
 	ARM_SEC_DEVEXIT,
 	ARM_SEC_MAX,
 };
-struct mod_arch_specific {
-	struct arm_unwind_mapping map[ARM_SEC_MAX];
-};
-#else
-struct mod_arch_specific {
-};
 #endif
 
+struct mod_arch_specific {
+#ifdef CONFIG_ARM_UNWIND
+	struct unwind_table *unwind[ARM_SEC_MAX];
+#endif
+};
+
 /*
  * Include the ARM architecture version.
  */