diff options
| author | Christian Gromm <christian.gromm@microchip.com> | 2020-01-23 16:38:23 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-24 10:08:41 +0100 |
| commit | fc157998b8257fb9cfe753e7f4af1411da995c9b (patch) | |
| tree | a2dafc8fa03cccf3ea7ad009e83fa77302bc4c58 /drivers/staging | |
| parent | f9e6b51a998da782cfc201dc9309d3a3d8579fef (diff) | |
| download | linux-fc157998b8257fb9cfe753e7f4af1411da995c9b.tar.bz2 | |
staging: most: usb: check for NULL device
Check if the dci structer has been allocated before trying to release it.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1579793906-5054-8-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/most/usb/usb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/most/usb/usb.c b/drivers/staging/most/usb/usb.c index dcc78cd870b8..0bda88c4bc89 100644 --- a/drivers/staging/most/usb/usb.c +++ b/drivers/staging/most/usb/usb.c @@ -1218,7 +1218,8 @@ static void hdm_disconnect(struct usb_interface *interface) del_timer_sync(&mdev->link_stat_timer); cancel_work_sync(&mdev->poll_work_obj); - device_unregister(&mdev->dci->dev); + if (mdev->dci) + device_unregister(&mdev->dci->dev); most_deregister_interface(&mdev->iface); kfree(mdev->busy_urbs); |