D31957.1775863497.diff
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D31957.1775863497.diff
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	Index: sys/x86/x86/intr_machdep.c
	===================================================================
	--- sys/x86/x86/intr_machdep.c
	+++ sys/x86/x86/intr_machdep.c
	@@ -221,12 +221,13 @@
	int
	intr_register_source(struct intsrc *isrc)
	{
	- int error, vector;
	+ u_int vector;
	+ int error;

	KASSERT(intr_pic_registered(isrc->is_pic), ("unregistered PIC"));
	vector = isrc->is_pic->pic_vector(isrc);
	- KASSERT(vector < num_io_irqs, ("IRQ %d too large (%u irqs)", vector,
	- num_io_irqs));
	+ if (vector >= num_io_irqs)
	+ return (EINVAL);
	if (interrupt_sources[vector] != NULL)
	return (EEXIST);
	error = intr_event_create(&isrc->is_event, isrc, 0, vector,