diff options
| author | Ernst Martin Witte <emw-linux-kernel@nocabal.de> | 2016-01-09 18:18:47 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-01 09:42:03 -0200 |
| commit | 4fd57ed61564bd4706e71cfd8c5a259079ddabf3 (patch) | |
| tree | 4931eac32c89818603f613849f5c55b605a71c3f /drivers/media/dvb-frontends/rtl2830.c | |
| parent | 01d1d714e26624bc50ba95c49cf6e15bb215c150 (diff) | |
[media] rtl2830: cancel_delayed_work_sync before device removal / kfree
rtl2830_remove was calling kfree(dev) with possibly still active
schedule_delayed_work(&dev->stat_work). A similar bug in si2157
caused kernel panics in call_timer_fn e.g. after rmmod cx23885.
Signed-off-by: Ernst Martin Witte <emw-linux-kernel@nocabal.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends/rtl2830.c')
| -rw-r--r-- | drivers/media/dvb-frontends/rtl2830.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index b792f305cf15..74b771218033 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -900,6 +900,9 @@ static int rtl2830_remove(struct i2c_client *client) dev_dbg(&client->dev, "\n"); + /* stop statistics polling */ + cancel_delayed_work_sync(&dev->stat_work); + i2c_del_mux_adapter(dev->adapter); regmap_exit(dev->regmap); kfree(dev); |