[v2] stv6110x Fix kernel null pointer deref when plugging two TT s2-1600

Commit Message

Guy Martin May 7, 2010, 7:34 a.m. UTC

None

Patch

diff -r 4a8d6d981f07 linux/drivers/media/dvb/frontends/stv6110x.c
--- a/linux/drivers/media/dvb/frontends/stv6110x.c	Wed May 05 11:58:44 2010 -0300
+++ b/linux/drivers/media/dvb/frontends/stv6110x.c	Fri May 07 08:51:18 2010 +0200
@@ -302,7 +302,10 @@ 
 
 static int stv6110x_sleep(struct dvb_frontend *fe)
 {
-	return stv6110x_set_mode(fe, TUNER_SLEEP);
+	if (fe->tuner_priv)
+		return stv6110x_set_mode(fe, TUNER_SLEEP);
+
+	return 0;
 }
 
 static int stv6110x_get_status(struct dvb_frontend *fe, u32 *status)