net: prepare usb net drivers for addition of status as a parameter

USB is going to switch the signature of the callbacks to
void callback(struct urb *urb, int status)
This patch will ease the transition.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Oliver Neukum
2008-12-18 23:00:59 -08:00
committed by David S. Miller
parent ab5024ab23
commit c94cb31450
8 changed files with 83 additions and 66 deletions

View File

@@ -99,11 +99,12 @@ static int update_eth_regs_async(pegasus_t *);
static void ctrl_callback(struct urb *urb)
{
pegasus_t *pegasus = urb->context;
int status = urb->status;
if (!pegasus)
return;
switch (urb->status) {
switch (status) {
case 0:
if (pegasus->flags & ETH_REGS_CHANGE) {
pegasus->flags &= ~ETH_REGS_CHANGE;
@@ -119,7 +120,7 @@ static void ctrl_callback(struct urb *urb)
default:
if (netif_msg_drv(pegasus) && printk_ratelimit())
dev_dbg(&pegasus->intf->dev, "%s, status %d\n",
__func__, urb->status);
__func__, status);
}
pegasus->flags &= ~ETH_REGS_CHANGED;
wake_up(&pegasus->ctrl_wait);
@@ -611,6 +612,7 @@ static void read_bulk_callback(struct urb *urb)
pegasus_t *pegasus = urb->context;
struct net_device *net;
int rx_status, count = urb->actual_length;
int status = urb->status;
u8 *buf = urb->transfer_buffer;
__u16 pkt_len;
@@ -621,7 +623,7 @@ static void read_bulk_callback(struct urb *urb)
if (!netif_device_present(net) || !netif_running(net))
return;
switch (urb->status) {
switch (status) {
case 0:
break;
case -ETIME:
@@ -639,11 +641,11 @@ static void read_bulk_callback(struct urb *urb)
case -ECONNRESET:
case -ESHUTDOWN:
if (netif_msg_ifdown(pegasus))
pr_debug("%s: rx unlink, %d\n", net->name, urb->status);
pr_debug("%s: rx unlink, %d\n", net->name, status);
return;
default:
if (netif_msg_rx_err(pegasus))
pr_debug("%s: RX status %d\n", net->name, urb->status);
pr_debug("%s: RX status %d\n", net->name, status);
goto goon;
}
@@ -769,6 +771,7 @@ static void write_bulk_callback(struct urb *urb)
{
pegasus_t *pegasus = urb->context;
struct net_device *net;
int status = urb->status;
if (!pegasus)
return;
@@ -778,7 +781,7 @@ static void write_bulk_callback(struct urb *urb)
if (!netif_device_present(net) || !netif_running(net))
return;
switch (urb->status) {
switch (status) {
case -EPIPE:
/* FIXME schedule_work() to clear the tx halt */
netif_stop_queue(net);
@@ -790,11 +793,11 @@ static void write_bulk_callback(struct urb *urb)
case -ECONNRESET:
case -ESHUTDOWN:
if (netif_msg_ifdown(pegasus))
pr_debug("%s: tx unlink, %d\n", net->name, urb->status);
pr_debug("%s: tx unlink, %d\n", net->name, status);
return;
default:
if (netif_msg_tx_err(pegasus))
pr_info("%s: TX status %d\n", net->name, urb->status);
pr_info("%s: TX status %d\n", net->name, status);
/* FALL THROUGH */
case 0:
break;
@@ -808,13 +811,13 @@ static void intr_callback(struct urb *urb)
{
pegasus_t *pegasus = urb->context;
struct net_device *net;
int status;
int res, status = urb->status;
if (!pegasus)
return;
net = pegasus->net;
switch (urb->status) {
switch (status) {
case 0:
break;
case -ECONNRESET: /* unlink */
@@ -827,7 +830,7 @@ static void intr_callback(struct urb *urb)
*/
if (netif_msg_timer(pegasus))
pr_debug("%s: intr status %d\n", net->name,
urb->status);
status);
}
if (urb->actual_length >= 6) {
@@ -854,12 +857,12 @@ static void intr_callback(struct urb *urb)
pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4];
}
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status == -ENODEV)
res = usb_submit_urb(urb, GFP_ATOMIC);
if (res == -ENODEV)
netif_device_detach(pegasus->net);
if (status && netif_msg_timer(pegasus))
if (res && netif_msg_timer(pegasus))
printk(KERN_ERR "%s: can't resubmit interrupt urb, %d\n",
net->name, status);
net->name, res);
}
static void pegasus_tx_timeout(struct net_device *net)