driver core: Don't probe devices after bus_type.match() probe deferral

[linux-2.6-microblaze.git] / drivers / base / dd.c

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index a8916d1..ec69b43 100644 (file)
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -911,6 +911,11 @@ static int __device_attach_driver(struct device_driver *drv, void *_data)
                dev_dbg(dev, "Device match requests probe deferral\n");
                dev->can_match = true;
                driver_deferred_probe_add(dev);
+               /*
+                * Device can't match with a driver right now, so don't attempt
+                * to match or bind with other drivers on the bus.
+                */
+               return ret;
        } else if (ret < 0) {
                dev_dbg(dev, "Bus failed to match device: %d\n", ret);
                return ret;
@@ -1150,6 +1155,11 @@ static int __driver_attach(struct device *dev, void *data)
                dev_dbg(dev, "Device match requests probe deferral\n");
                dev->can_match = true;
                driver_deferred_probe_add(dev);
+               /*
+                * Driver could not match with device, but may match with
+                * another device on the bus.
+                */
+               return 0;
        } else if (ret < 0) {
                dev_dbg(dev, "Bus failed to match device: %d\n", ret);
                return ret;