invalid_vm86_irq 826 arch/x86/kernel/vm86_32.c if (invalid_vm86_irq(irqnumber)) return 0; invalid_vm86_irq 856 arch/x86/kernel/vm86_32.c if (invalid_vm86_irq(irq)) return -EPERM; invalid_vm86_irq 865 arch/x86/kernel/vm86_32.c if (invalid_vm86_irq(irqnumber)) return -EPERM;