Check if the dci structer has been allocated before trying to release it.
Signed-off-by: Christian Gromm <christian.gromm@xxxxxxxxxxxxx>
---
v3:
This patch has been added to the series.
drivers/staging/most/usb/usb.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/most/usb/usb.c b/drivers/staging/most/usb/usb.c
index fe3384a..cae7553 100644
--- a/drivers/staging/most/usb/usb.c
+++ b/drivers/staging/most/usb/usb.c
@@ -1205,8 +1205,10 @@ static void hdm_disconnect(struct usb_interface *interface)
del_timer_sync(&mdev->link_stat_timer);
cancel_work_sync(&mdev->poll_work_obj);
- most_put_iface_dev(mdev->dci->dev.parent);
- device_unregister(&mdev->dci->dev);
+ if (mdev->dci) {
+ most_put_iface_dev(mdev->dci->dev.parent);
+ device_unregister(&mdev->dci->dev);
+ }
most_deregister_interface(&mdev->iface);
kfree(mdev->busy_urbs);
--
2.7.4
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