[S390] cio: Use device_is_registered().

Check if a ccw device is registered via device_is_registered()
and not via the old kludge of checking the membership in driver
core internal klists.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index f831b64..868aa19 100644 (file)
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -965,7 +965,7 @@ io_subchannel_register(struct work_struct *work)
         * be registered). We need to reprobe since we may now have sense id
         * information.
         */
-       if (klist_node_attached(&cdev->dev.knode_parent)) {
+       if (device_is_registered(&cdev->dev)) {
                if (!cdev->drv) {
                        ret = device_reprobe(&cdev->dev);
                        if (ret)