[POWERPC] pasemi: Fix NMI handling check

The logic that checks to see if a machine check is caused by an NMI will
always match when NMI hasn't been initialized, since the mpic routine
will return NO_IRQ (and that's what the nmi_virq value is as well).

Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index 1940e67..a89d098 100644 (file)
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -264,7 +264,7 @@ static int pas_machine_check_handler(struct pt_regs *regs)
        srr0 = regs->nip;
        srr1 = regs->msr;
 
-       if (mpic_get_mcirq() == nmi_virq) {
+       if (nmi_virq != NO_IRQ && mpic_get_mcirq() == nmi_virq) {
                printk(KERN_ERR "NMI delivered\n");
                debugger(regs);
                mpic_end_irq(nmi_virq);