diff options
| author | Malcolm Priestley <tvboxspy@gmail.com> | 2020-05-16 11:44:57 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-19 16:17:18 +0200 |
| commit | 9786f8b2f79c61afb518c205663a78ecfcab0c64 (patch) | |
| tree | 35a55e07f9124dea7bad45810e16b735fe1c8211 /drivers/staging/vt6656/usbpipe.c | |
| parent | 9deca1e3e2b682a2b1e40f8970f36e1703e27bfc (diff) | |
staging: vt6656: vnt_usb_send_context remove variable data.
A limit is also placed in vnt_tx_context of MAX_TOTAL_SIZE_WITH_ALL_HEADERS
limiting size.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/9416e1a8-bd72-ffb1-5366-78361d053907@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/vt6656/usbpipe.c')
| -rw-r--r-- | drivers/staging/vt6656/usbpipe.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c index 904645fa0eb0..43f1ef32a9ce 100644 --- a/drivers/staging/vt6656/usbpipe.c +++ b/drivers/staging/vt6656/usbpipe.c @@ -463,6 +463,11 @@ int vnt_tx_context(struct vnt_private *priv, return -ENODEV; } + if (context->buf_len > MAX_TOTAL_SIZE_WITH_ALL_HEADERS) { + context->in_use = false; + return -E2BIG; + } + usb_fill_bulk_urb(urb, priv->usb, usb_sndbulkpipe(priv->usb, 3), |