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Subject[PATCH] media: dvb_usb_pctv452e: module refcount changes were unbalanced
dvb_frontend will call dvb_detach for:
- stb0899_detach in dvb_frontend_release and
- stb0899_release in __dvb_frontend_free

But we only do dvb_attach(stb0899_attach).
Increment the module refcount instead.

Signed-off-by: Wolfgang Rohdewald <wolfgang@rohdewald.de>
---
drivers/media/usb/dvb-usb/pctv452e.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/media/usb/dvb-usb/pctv452e.c b/drivers/media/usb/dvb-usb/pctv452e.c
index 601ade7ca48d..3b7f8298b24d 100644
--- a/drivers/media/usb/dvb-usb/pctv452e.c
+++ b/drivers/media/usb/dvb-usb/pctv452e.c
@@ -913,6 +913,14 @@ static int pctv452e_frontend_attach(struct dvb_usb_adapter *a)
&a->dev->i2c_adap);
if (!a->fe_adap[0].fe)
return -ENODEV;
+
+ /*
+ * dvb_frontend will call dvb_detach for both stb0899_detach
+ * and stb0899_release but we only do dvb_attach(stb0899_attach).
+ * Increment the module refcount instead.
+ */
+ symbol_get(stb0899_attach);
+
if ((dvb_attach(lnbp22_attach, a->fe_adap[0].fe,
&a->dev->i2c_adap)) == NULL)
err("Cannot attach lnbp22\n");
--
2.11.0
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