1 files changed, 5 insertions, 4 deletions

diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c
index 8cd10537fd46..1c8858bb27f2 100644
--- a/arch/x86/kernel/irqinit_64.c
+++ b/arch/x86/kernel/irqinit_64.c
@@ -159,15 +159,16 @@ void __init native_init_IRQ(void)
         int i;
 
         init_ISA_irqs();
+
         /*
          * Cover the whole vector space, no vector can escape
          * us. (some of these will be overridden and become
          * 'special' SMP interrupts)
          */
-        for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) {
-                int vector = FIRST_EXTERNAL_VECTOR + i;
-                if (vector != IA32_SYSCALL_VECTOR)
-                        set_intr_gate(vector, interrupt[i]);
+        for (i = FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) {
+                /* IA32_SYSCALL_VECTOR was reserved in trap_init. */
+                if (i != IA32_SYSCALL_VECTOR)
+                        set_intr_gate(i, interrupt[i-FIRST_EXTERNAL_VECTOR]);
         }
 
         apic_intr_init();