[media] r820t: Don't put it in standby if not initialized yet
r820t_standby() can be called before r820t_init().
If that happens, just do nothing.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index fc660f2..b679a3f 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -1298,6 +1298,10 @@
{
int rc;
+ /* If device was not initialized yet, don't need to standby */
+ if (!priv->init_done)
+ return 0;
+
rc = r820t_write_reg(priv, 0x06, 0xb1);
if (rc < 0)
return rc;