X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fusb%2Fcore%2Fdevices.c;h=ca98341a21b9f80c06a386b618ab3e3e94969c9c;hb=60cbc8c9108be5542b8b7b9e16231fdee062f6d9;hp=0149c0976e9ccbfa5e27cc4375933b243b3f7200;hpb=655402d41742cc8e490f4357745408d361bdd2d4;p=kernel%2Flinux-3.0.git

diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 0149c09..ca98341 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -624,7 +624,7 @@ static ssize_t usb_device_read(struct file *file, char __user *buf,
 	/* print devices for all busses */
 	list_for_each_entry(bus, &usb_bus_list, bus_list) {
 		/* recurse through all children of the root hub */
-		if (!bus->root_hub)
+		if (!bus_to_hcd(bus)->rh_registered)
 			continue;
 		usb_lock_device(bus->root_hub);
 		ret = usb_device_dump(&buf, &nbytes, &skip_bytes, ppos,