Input: kxtj9 - fix bug in probe()

We are testing the wrong variable here.  I believe tj9->input_dev
is always NULL at this point, so probe() will fail.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/misc/kxtj9.c b/drivers/input/misc/kxtj9.c
index a416f7f..6c96dc3 100644
--- a/drivers/input/misc/kxtj9.c
+++ b/drivers/input/misc/kxtj9.c
@@ -301,7 +301,7 @@
 	int err;
 
 	input_dev = input_allocate_device();
-	if (!tj9->input_dev) {
+	if (!input_dev) {
 		dev_err(&tj9->client->dev, "input device allocate failed\n");
 		return -ENOMEM;
 	}