Input: atmel_mxt_ts - warn if sysfs could not be created

If sysfs entry creation fails, the driver is still usable, so don't
just abort probe.  Just warn and continue.
Signed-off-by: NDaniel Kurtz <djkurtz@chromium.org>
Signed-off-by: NHenrik Rydberg <rydberg@euromail.se>

drivers/input/touchscreen/atmel_mxt_ts.c

@@ -1172,13 +1172,10 @@ static int __devinit mxt_probe(struct i2c_client *client,
 
 	error = sysfs_create_group(&client->dev.kobj, &mxt_attr_group);
 	if (error)
-		goto err_unregister_device;
+		dev_warn(&client->dev, "error creating sysfs entries.\n");
 
 	return 0;
 
-err_unregister_device:
-	input_unregister_device(input_dev);
-	input_dev = NULL;
 err_free_irq:
 	free_irq(client->irq, data);
 err_free_object: