D31995.1779175551.diff
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D31995.1779175551.diff
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	Index: sys/x86/xen/xen_intr.c
	===================================================================
	--- sys/x86/xen/xen_intr.c
	+++ sys/x86/xen/xen_intr.c
	@@ -319,15 +319,15 @@
	vector = first_evtchn_irq + xen_intr_auto_vector_count;
	xen_intr_auto_vector_count++;

	- KASSERT((intr_lookup_source(vector) == NULL),
	- ("Trying to use an already allocated vector"));
	-
	mtx_unlock(&xen_intr_isrc_lock);
	isrc = malloc(sizeof(*isrc), M_XENINTR, M_WAITOK \| M_ZERO);
	isrc->xi_intsrc.is_pic = &xen_intr_pic;
	isrc->xi_vector = vector;
	isrc->xi_type = type;
	- intr_register_source(&isrc->xi_intsrc);
	+ if (intr_register_source(&isrc->xi_intsrc) != 0) {
	+ free(isrc, M_XENINTR);
	+ return (NULL);
	+ }
	mtx_lock(&xen_intr_isrc_lock);

	return (isrc);