2 files changed, 24 insertions, 17 deletions

diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 2f13eba5d5ae..2bbafe0f79b1 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -413,6 +413,24 @@ exit:
         return dev;
 }
 
+const struct pci_device_id *pci_find_present(const struct pci_device_id *ids)
+{
+        struct pci_dev *dev;
+        struct pci_device_id * found = NULL;
+
+        WARN_ON(in_interrupt());
+        down_read(&pci_bus_sem);
+        while (ids->vendor || ids->subvendor || ids->class_mask) {
+                list_for_each_entry(dev, &pci_devices, global_list) {
+                        if ((found = pci_match_one_device(ids, dev)) != NULL)
+                                break;
+                }
+                ids++;
+        }
+        up_read(&pci_bus_sem);
+        return found;
+}
+
 /**
  * pci_dev_present - Returns 1 if device matching the device list is present, 0 if not.
  * @ids: A pointer to a null terminated list of struct pci_device_id structures
@@ -424,27 +442,14 @@ exit:
  * find devices that are usually built into a system, or for a general hint as
  * to if another device happens to be present at this specific moment in time.
  */
+
 int pci_dev_present(const struct pci_device_id *ids)
 {
-        struct pci_dev *dev;
-        int found = 0;
-
-        WARN_ON(in_interrupt());
-        down_read(&pci_bus_sem);
-        while (ids->vendor || ids->subvendor || ids->class_mask) {
-                list_for_each_entry(dev, &pci_devices, global_list) {
-                        if (pci_match_one_device(ids, dev)) {
-                                found = 1;
-                                goto exit;
-                        }
-                }
-                ids++;
-        }
-exit:
-        up_read(&pci_bus_sem);
-        return found;
+        return pci_find_present(ids) == NULL ? 0 : 1;
 }
+
 EXPORT_SYMBOL(pci_dev_present);
+EXPORT_SYMBOL(pci_find_present);
 
 EXPORT_SYMBOL(pci_find_device);
 EXPORT_SYMBOL(pci_find_device_reverse);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 01c707261f9c..769e132b78d3 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -468,6 +468,7 @@ struct pci_dev *pci_get_slot (struct pci_bus *bus, unsigned int devfn);
 struct pci_dev *pci_get_bus_and_slot (unsigned int bus, unsigned int devfn);
 struct pci_dev *pci_get_class (unsigned int class, struct pci_dev *from);
 int pci_dev_present(const struct pci_device_id *ids);
+const struct pci_device_id *pci_find_present(const struct pci_device_id *ids);
 
 int pci_bus_read_config_byte (struct pci_bus *bus, unsigned int devfn, int where, u8 *val);
 int pci_bus_read_config_word (struct pci_bus *bus, unsigned int devfn, int where, u16 *val);
@@ -681,6 +682,7 @@ static inline struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *
 { return NULL; }
 
 #define pci_dev_present(ids)    (0)
+#define pci_find_present(ids)   (NULL)
 #define pci_dev_put(dev)        do { } while (0)
 
 static inline void pci_set_master(struct pci_dev *dev) { }