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| author | Ernst Martin Witte <emw-linux-kernel@nocabal.de> | 2016-01-09 21:18:46 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-01 12:40:56 +0100 |
| commit | 4bdcaa054e1c73697b390c32c434d96836121306 (patch) | |
| tree | 6d0cffd6f65a3350feb3c92f856d768444bc5ce9 /drivers/media/dvb-frontends/af9033.c | |
| parent | [media] af9013: cancel_delayed_work_sync before device removal / kfree (diff) | |
| download | linux-4bdcaa054e1c73697b390c32c434d96836121306.tar.xz linux-4bdcaa054e1c73697b390c32c434d96836121306.zip | |
[media] af9033: cancel_delayed_work_sync before device removal / kfree
af9033_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/af9033.c')
| -rw-r--r-- | drivers/media/dvb-frontends/af9033.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index bc35206a0821..8b328d1ca8d3 100644 --- a/drivers/media/dvb-frontends/af9033.c +++ b/drivers/media/dvb-frontends/af9033.c @@ -1372,6 +1372,9 @@ static int af9033_remove(struct i2c_client *client) dev_dbg(&dev->client->dev, "\n"); + /* stop statistics polling */ + cancel_delayed_work_sync(&dev->stat_work); + dev->fe.ops.release = NULL; dev->fe.demodulator_priv = NULL; kfree(dev); |