V4L/DVB (6986): tda18271: share state between analog and digital tuner instances

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c
index eab5307..4ac7c04 100644
--- a/drivers/media/video/tda8290.c
+++ b/drivers/media/video/tda8290.c
@@ -502,8 +502,13 @@
 
 static void tda829x_release(struct dvb_frontend *fe)
 {
-	if (fe->ops.tuner_ops.release)
-		fe->ops.tuner_ops.release(fe);
+	struct tda8290_priv *priv = fe->analog_demod_priv;
+
+	/* dont try to release the tuner
+	 * if we didn't attach it from this module */
+	if ((priv->ver > TDA8290) && (priv->ver > TDA8295))
+		if (fe->ops.tuner_ops.release)
+			fe->ops.tuner_ops.release(fe);
 
 	kfree(fe->analog_demod_priv);
 	fe->analog_demod_priv = NULL;