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>

2 files changed, 3 insertions, 4 deletions

diff --git a/arch/x86/mm/fault_64.c b/arch/x86/mm/fault_64.c
index 121c7bda629..3a94941578f 100644
--- a/arch/x86/mm/fault_64.c
+++ b/arch/x86/mm/fault_64.c
@@ -298,7 +298,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
         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 @@ bad_area_nosemaphore:
 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;
         }
 
diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
index f4ce8768ad4..31d79470271 100644
--- a/include/asm-x86/uaccess_64.h
+++ b/include/asm-x86/uaccess_64.h
@@ -65,6 +65,8 @@ struct exception_table_entry
         unsigned long insn, fixup;
 };
 
+extern int fixup_exception(struct pt_regs *regs);
+
 #define ARCH_HAS_SEARCH_EXTABLE
 
 /*