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Commit 3220e3a4 authored by Malcolm Priestley's avatar Malcolm Priestley Committed by Greg Kroah-Hartman
Browse files

staging: vt6656: main_usb.c Replace DEVICE_PARAM TxDescriptors0 



Replace with vnt_tx_buffers using module_param_named and
MODULE_PARM_DESC

Check user doe not set tx_buffer beyond the define limits of driver

Signed-off-by: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2f020ebc

drivers/staging/vt6656/main_usb.c

+9 −2
Original line number Diff line number Diff line
@@ -83,7 +83,10 @@ module_param_named(rx_buffers, vnt_rx_buffers, int, 0644); 
MODULE_PARM_DESC(rx_buffers, "Number of receive usb rx buffers");



#define TX_DESC_DEF0 64

DEVICE_PARAM(TxDescriptors0, "Number of transmit usb desc buffer");

static int vnt_tx_buffers = TX_DESC_DEF0;

module_param_named(tx_buffers, vnt_rx_buffers, int, 0644);

MODULE_PARM_DESC(tx_buffers, "Number of receive usb tx buffers");





#define CHANNEL_DEF 6

DEVICE_PARAM(Channel, "Channel number");
@@ -204,7 +207,11 @@ static void usb_device_reset(struct vnt_private *pDevice); 


static void device_set_options(struct vnt_private *priv)

{

	/* Set number of TX buffers */

	if (vnt_tx_buffers < CB_MIN_TX_DESC || vnt_tx_buffers > CB_MAX_TX_DESC)

		priv->cbTD = TX_DESC_DEF0;

	else

		priv->cbTD = vnt_tx_buffers;



	/* Set number of RX buffers */

	if (vnt_rx_buffers < CB_MIN_RX_DESC || vnt_rx_buffers > CB_MAX_RX_DESC)