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Diffstat (limited to 'sys/dev/pci/pci_pci.c')
-rw-r--r--sys/dev/pci/pci_pci.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/dev/pci/pci_pci.c b/sys/dev/pci/pci_pci.c
index 0a4be2d..166f490 100644
--- a/sys/dev/pci/pci_pci.c
+++ b/sys/dev/pci/pci_pci.c
@@ -45,6 +45,7 @@
#include <pci/pcireg.h>
#include "pcib_if.h"
+#include "opt_pci.h"
/*
* Bridge-specific data.
@@ -281,6 +282,10 @@ pcib_alloc_resource(device_t dev, device_t child, int type, int *rid,
*/
switch (type) {
case SYS_RES_IOPORT:
+ if (start < sc->iobase)
+ start = sc->iobase;
+ if (end > sc->iolimit && start < end)
+ end = sc->iolimit;
if ((start < sc->iobase) || (end > sc->iolimit)) {
device_printf(dev, "device %s%d requested unsupported I/O range 0x%lx-0x%lx"
" (decoding 0x%x-0x%x)\n",
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