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>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c
index eab530708a49..4ac7c0438896 100644
--- a/drivers/media/video/tda8290.c
+++ b/drivers/media/video/tda8290.c
@@ -502,8 +502,13 @@ static void tda8290_init_tuner(struct dvb_frontend *fe)
 
 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;