diff --git a/sys/compat/linuxkpi/common/include/linux/pci.h b/sys/compat/linuxkpi/common/include/linux/pci.h
--- a/sys/compat/linuxkpi/common/include/linux/pci.h
+++ b/sys/compat/linuxkpi/common/include/linux/pci.h
@@ -106,6 +106,7 @@
 
 #define	to_pci_dev(n)	container_of(n, struct pci_dev, dev)
 
+#define	PCI_STD_NUM_BARS	6
 #define	PCI_VENDOR_ID		PCIR_VENDOR
 #define	PCI_DEVICE_ID		PCIR_DEVICE
 #define	PCI_COMMAND		PCIR_COMMAND