195 static int do_vm86_irq_handling(int subfunction, int irqnumber);
787 static inline void free_vm86_irq(int irqnumber)  in free_vm86_irq()  argument
791 	free_irq(irqnumber, NULL);  in free_vm86_irq()
792 	vm86_irqs[irqnumber].tsk = NULL;  in free_vm86_irq()
795 	irqbits &= ~(1 << irqnumber);  in free_vm86_irq()
807 static inline int get_and_reset_irq(int irqnumber)  in get_and_reset_irq()  argument
813 	if (invalid_vm86_irq(irqnumber)) return 0;  in get_and_reset_irq()
814 	if (vm86_irqs[irqnumber].tsk != current) return 0;  in get_and_reset_irq()
816 	bit = irqbits & (1 << irqnumber);  in get_and_reset_irq()
819 		enable_irq(irqnumber);  in get_and_reset_irq()
828 static int do_vm86_irq_handling(int subfunction, int irqnumber)  in do_vm86_irq_handling()  argument
833 			return get_and_reset_irq(irqnumber);  in do_vm86_irq_handling()
839 			int sig = irqnumber >> 8;  in do_vm86_irq_handling()
840 			int irq = irqnumber & 255;  in do_vm86_irq_handling()
852 			if (invalid_vm86_irq(irqnumber)) return -EPERM;  in do_vm86_irq_handling()
853 			if (!vm86_irqs[irqnumber].tsk) return 0;  in do_vm86_irq_handling()
854 			if (vm86_irqs[irqnumber].tsk != current) return -EPERM;  in do_vm86_irq_handling()
855 			free_vm86_irq(irqnumber);  in do_vm86_irq_handling()