X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fdevice-handler.c;h=251c517f884aaa0c2212898b2e71dd3ad37a8e9e;hp=95d203920d6f72bf5176c2629e7d2f4aa430a447;hb=384d406380d8bf164ed2ca3879488cc4974239be;hpb=7a0a735a5c1db0e0b1816300c8ad211326bfcde6

diff --git a/discover/device-handler.c b/discover/device-handler.c
index 95d2039..251c517 100644
--- a/discover/device-handler.c
+++ b/discover/device-handler.c
@@ -103,6 +103,12 @@ static int device_match_id(struct discover_device *dev, const char *id)
 	return !strcmp(dev->device->id, id);
 }
 
+static int device_match_serial(struct discover_device *dev, const char *serial)
+{
+	const char *val = discover_device_get_param(dev, "ID_SERIAL");
+	return val && !strcmp(val, serial);
+}
+
 static struct discover_device *device_lookup(
 		struct device_handler *device_handler,
 		int (match_fn)(struct discover_device *, const char *),
@@ -154,6 +160,13 @@ struct discover_device *device_lookup_by_id(
 	return device_lookup(device_handler, device_match_id, id);
 }
 
+struct discover_device *device_lookup_by_serial(
+		struct device_handler *device_handler,
+		const char *serial)
+{
+	return device_lookup(device_handler, device_match_serial, serial);
+}
+
 void device_handler_destroy(struct device_handler *handler)
 {
 	talloc_free(handler);