@@ -635,8 +635,6 @@ static void pulse8_cec_adap_free(struct cec_adapter *adap)
cancel_delayed_work_sync(&pulse8->ping_eeprom_work);
cancel_work_sync(&pulse8->irq_work);
cancel_work_sync(&pulse8->tx_work);
- serio_close(pulse8->serio);
- serio_set_drvdata(pulse8->serio, NULL);
kfree(pulse8);
}
@@ -652,6 +650,9 @@ static void pulse8_disconnect(struct serio *serio)
struct pulse8 *pulse8 = serio_get_drvdata(serio);
cec_unregister_adapter(pulse8->adap);
+ pulse8->serio = NULL;
+ serio_set_drvdata(serio, NULL);
+ serio_close(serio);
}
static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio,
@@ -872,10 +873,11 @@ static int pulse8_connect(struct serio *serio, struct serio_driver *drv)
return 0;
close_serio:
+ pulse8->serio = NULL;
+ serio_set_drvdata(serio, NULL);
serio_close(serio);
delete_adap:
cec_delete_adapter(pulse8->adap);
- serio_set_drvdata(serio, NULL);
free_device:
kfree(pulse8);
return err;
The serio_close() call was moved to pulse8_cec_adap_free(), but that can be too late if that is called after the serio core pulled down the serio already, in which case you get a kernel oops. Keep it in the disconnect(). Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Fixes: 601282d65b96 ("media: pulse8-cec: use adap_free callback") --- drivers/media/usb/pulse8-cec/pulse8-cec.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)