4 files changed, 16 insertions, 4 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 10dbdec..1b7b281 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -20,7 +20,7 @@
 #include <linux/stat.h>
 #include <linux/topology.h>
 #include <linux/mm.h>
-
+#include <linux/capability.h>
 #include "pci.h"
 
 static int sysfs_initialized;	/* = 0 */
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index a7bce75..34b8dae 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -22,6 +22,18 @@ EXPORT_SYMBOL(pci_root_buses);
 
 LIST_HEAD(pci_devices);
 
+/*
+ * Some device drivers need know if pci is initiated.
+ * Basically, we think pci is not initiated when there
+ * is no device in list of pci_devices.
+ */
+int no_pci_devices(void)
+{
+	return list_empty(&pci_devices);
+}
+
+EXPORT_SYMBOL(no_pci_devices);
+
 #ifdef HAVE_PCI_LEGACY
 /**
  * pci_create_legacy_files - create legacy I/O port and memory files
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index cfa0dfe..90adc62 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -11,7 +11,7 @@
 #include <linux/module.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
-
+#include <linux/capability.h>
 #include <asm/uaccess.h>
 #include <asm/byteorder.h>
 #include "pci.h"
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 9f7090f..c6e79d0 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -202,7 +202,7 @@ static struct pci_dev * pci_find_subsys(unsigned int vendor,
 	 * can cause some machines to crash.  So here we detect and flag that
 	 * situation and bail out early.
 	 */
-	if (unlikely(list_empty(&pci_devices)))
+	if (unlikely(no_pci_devices()))
 		return NULL;
 	down_read(&pci_bus_sem);
 	n = from ? from->global_list.next : pci_devices.next;
@@ -277,7 +277,7 @@ pci_get_subsys(unsigned int vendor, unsigned int device,
 	 * can cause some machines to crash.  So here we detect and flag that
 	 * situation and bail out early.
 	 */
-	if (unlikely(list_empty(&pci_devices)))
+	if (unlikely(no_pci_devices()))
 		return NULL;
 	down_read(&pci_bus_sem);
 	n = from ? from->global_list.next : pci_devices.next;