D47344.diff
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	diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
	--- a/sys/kern/subr_bus.c
	+++ b/sys/kern/subr_bus.c
	@@ -52,6 +52,9 @@
	#include <sys/systm.h>
	#include <sys/bus.h>
	#include <sys/cpuset.h>
	+#ifdef INTRNG
	+#include <sys/intr.h>
	+#endif

	#include <net/vnet.h>

	@@ -4378,17 +4381,26 @@
	if (error != 0)
	return (error);

	- if ((rman_get_flags(r) & RF_UNMAPPED) == 0 &&
	- (type == SYS_RES_MEMORY \|\| type == SYS_RES_IOPORT)) {
	- error = BUS_MAP_RESOURCE(dev, child, type, r, NULL, &map);
	- if (error != 0) {
	- rman_deactivate_resource(r);
	- return (error);
	- }
	+ switch (type) {
	+ case SYS_RES_IOPORT:
	+ case SYS_RES_MEMORY:
	+ if ((rman_get_flags(r) & RF_UNMAPPED) == 0) {
	+ error = BUS_MAP_RESOURCE(dev, child, type, r, NULL, &map);
	+ if (error != 0)
	+ break;

	- rman_set_mapping(r, &map);
	+ rman_set_mapping(r, &map);
	+ }
	+ break;
	+#ifdef INTRNG
	+ case SYS_RES_IRQ:
	+ error = intr_activate_irq(child, r);
	+ break;
	+#endif
	}
	- return (0);
	+ if (error != 0)
	+ rman_deactivate_resource(r);
	+ return (error);
	}

	/**
	@@ -4417,10 +4429,19 @@
	if (error != 0)
	return (error);

	- if ((rman_get_flags(r) & RF_UNMAPPED) == 0 &&
	- (type == SYS_RES_MEMORY \|\| type == SYS_RES_IOPORT)) {
	- rman_get_mapping(r, &map);
	- BUS_UNMAP_RESOURCE(dev, child, type, r, &map);
	+ switch (type) {
	+ case SYS_RES_IOPORT:
	+ case SYS_RES_MEMORY:
	+ if ((rman_get_flags(r) & RF_UNMAPPED) == 0) {
	+ rman_get_mapping(r, &map);
	+ BUS_UNMAP_RESOURCE(dev, child, type, r, &map);
	+ }
	+ break;
	+#ifdef INTRNG
	+ case SYS_RES_IRQ:
	+ intr_deactivate_irq(child, r);
	+ break;
	+#endif
	}
	return (0);
	}