invalid_vm86_irq 790 arch/x86/kernel/vm86_32.c if (invalid_vm86_irq(irqnumber)) return 0; invalid_vm86_irq 820 arch/x86/kernel/vm86_32.c if (invalid_vm86_irq(irq)) return -EPERM; invalid_vm86_irq 829 arch/x86/kernel/vm86_32.c if (invalid_vm86_irq(irqnumber)) return -EPERM;