x86/exceptions: Split debug IST stack

[linux-2.6-microblaze.git] / arch / x86 / kernel / hpet.c

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index dfd3aca..fb32925 100644 (file)
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -905,6 +905,8 @@ int __init hpet_enable(void)
                return 0;
 
        hpet_set_mapping();
+       if (!hpet_virt_address)
+               return 0;
 
        /*
         * Read the period and check for a sane value: