diff options
| author | Malcolm Priestley <tvboxspy@gmail.com> | 2019-12-20 21:15:59 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-14 20:04:28 +0100 |
| commit | bd1f27f5159d5e8302b2ec43f166fea8528c7c30 (patch) | |
| tree | 7a5dd8b018d6f7d21caa27070905845dadf798eb /drivers/staging | |
| parent | b6b09649213b7ee081a08166128bc41204c5b441 (diff) | |
staging: vt6656: set usb_set_intfdata on driver fail.
commit c0bcf9f3f5b661d4ace2a64a79ef661edd2a4dc8 upstream.
intfdata will contain stale pointer when the device is detached after
failed initialization when referenced in vt6656_disconnect
Provide driver access to it here and NULL it.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/6de448d7-d833-ef2e-dd7b-3ef9992fee0e@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/vt6656/device.h | 1 | ||||
| -rw-r--r-- | drivers/staging/vt6656/main_usb.c | 1 | ||||
| -rw-r--r-- | drivers/staging/vt6656/wcmd.c | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h index 4832666cc580..5422ec1222ce 100644 --- a/drivers/staging/vt6656/device.h +++ b/drivers/staging/vt6656/device.h @@ -269,6 +269,7 @@ struct vnt_private { u8 mac_hw; /* netdev */ struct usb_device *usb; + struct usb_interface *intf; u64 tsf_time; u8 rx_rate; diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index b1955378852a..78b09640bcf0 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -972,6 +972,7 @@ vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id) priv = hw->priv; priv->hw = hw; priv->usb = udev; + priv->intf = intf; vnt_set_options(priv); diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c index 95faaeb7432a..4dc3521932ba 100644 --- a/drivers/staging/vt6656/wcmd.c +++ b/drivers/staging/vt6656/wcmd.c @@ -110,6 +110,7 @@ void vnt_run_command(struct work_struct *work) if (vnt_init(priv)) { /* If fail all ends TODO retry */ dev_err(&priv->usb->dev, "failed to start\n"); + usb_set_intfdata(priv->intf, NULL); ieee80211_free_hw(priv->hw); return; } |