x86: use helper in fault_64.c

Use the fixup_exception() helper in fault_64.c

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/mm/fault_64.c b/arch/x86/mm/fault_64.c
index 121c7bd..3a94941 100644
--- a/arch/x86/mm/fault_64.c
+++ b/arch/x86/mm/fault_64.c
@@ -298,7 +298,6 @@
 	struct mm_struct *mm;
 	struct vm_area_struct * vma;
 	unsigned long address;
-	const struct exception_table_entry *fixup;
 	int write, fault;
 	unsigned long flags;
 	siginfo_t info;
@@ -508,9 +507,7 @@
 no_context:
 	
 	/* Are we prepared to handle this kernel fault?  */
-	fixup = search_exception_tables(regs->ip);
-	if (fixup) {
-		regs->ip = fixup->fixup;
+	if (fixup_exception(regs)) {
 		return;
 	}