staging:rts_pstor:Complete scanning_done variable

commit f7364ba0 upstream.

Complete scanning_done variable if rtsx-scan thread created failed.
Signed-off-by: wwang <wei_wang@realsil.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rts_pstor/rtsx.c

@@ -1015,6 +1015,7 @@ static int __devinit rtsx_probe(struct pci_dev *pci, const struct pci_device_id
 	th = kthread_create(rtsx_scan_thread, dev, "rtsx-scan");
 	if (IS_ERR(th)) {
 		printk(KERN_ERR "Unable to start the device-scanning thread\n");
+		complete(&dev->scanning_done);
 		quiesce_and_remove_host(dev);
 		err = PTR_ERR(th);
 		goto errout;