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path: root/drivers/usb/net/pegasus.c
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Diffstat (limited to 'drivers/usb/net/pegasus.c')
-rw-r--r--drivers/usb/net/pegasus.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c
index 7683926a1b6f..ab21f960d255 100644
--- a/drivers/usb/net/pegasus.c
+++ b/drivers/usb/net/pegasus.c
@@ -163,6 +163,8 @@ static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
/* using ATOMIC, we'd never wake up if we slept */
if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
+ if (ret == -ENODEV)
+ netif_device_detach(pegasus->net);
if (netif_msg_drv(pegasus))
dev_err(&pegasus->intf->dev, "%s, status %d\n",
__FUNCTION__, ret);
@@ -217,6 +219,8 @@ static int set_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
set_current_state(TASK_UNINTERRUPTIBLE);
if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
+ if (ret == -ENODEV)
+ netif_device_detach(pegasus->net);
if (netif_msg_drv(pegasus))
dev_err(&pegasus->intf->dev, "%s, status %d\n",
__FUNCTION__, ret);
@@ -268,6 +272,8 @@ static int set_register(pegasus_t * pegasus, __u16 indx, __u8 data)
set_current_state(TASK_UNINTERRUPTIBLE);
if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
+ if (ret == -ENODEV)
+ netif_device_detach(pegasus->net);
if (netif_msg_drv(pegasus))
dev_err(&pegasus->intf->dev, "%s, status %d\n",
__FUNCTION__, ret);
@@ -298,10 +304,13 @@ static int update_eth_regs_async(pegasus_t * pegasus)
(char *) &pegasus->dr,
pegasus->eth_regs, 3, ctrl_callback, pegasus);
- if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC)))
+ if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
+ if (ret == -ENODEV)
+ netif_device_detach(pegasus->net);
if (netif_msg_drv(pegasus))
dev_err(&pegasus->intf->dev, "%s, status %d\n",
__FUNCTION__, ret);
+ }
return ret;
}
@@ -692,7 +701,10 @@ goon:
usb_rcvbulkpipe(pegasus->usb, 1),
pegasus->rx_skb->data, PEGASUS_MTU + 8,
read_bulk_callback, pegasus);
- if (usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC)) {
+ rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC);
+ if (rx_status == -ENODEV)
+ netif_device_detach(pegasus->net);
+ else if (rx_status) {
pegasus->flags |= PEGASUS_RX_URB_FAIL;
goto tl_sched;
} else {
@@ -709,6 +721,7 @@ static void rx_fixup(unsigned long data)
{
pegasus_t *pegasus;
unsigned long flags;
+ int status;
pegasus = (pegasus_t *) data;
if (pegasus->flags & PEGASUS_UNPLUG)
@@ -734,7 +747,10 @@ static void rx_fixup(unsigned long data)
pegasus->rx_skb->data, PEGASUS_MTU + 8,
read_bulk_callback, pegasus);
try_again:
- if (usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC)) {
+ status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC);
+ if (status == -ENODEV)
+ netif_device_detach(pegasus->net);
+ else if (status) {
pegasus->flags |= PEGASUS_RX_URB_FAIL;
tasklet_schedule(&pegasus->rx_tl);
} else {
@@ -836,6 +852,8 @@ static void intr_callback(struct urb *urb, struct pt_regs *regs)
}
status = usb_submit_urb(urb, SLAB_ATOMIC);
+ if (status == -ENODEV)
+ netif_device_detach(pegasus->net);
if (status && netif_msg_timer(pegasus))
printk(KERN_ERR "%s: can't resubmit interrupt urb, %d\n",
net->name, status);
@@ -874,6 +892,7 @@ static int pegasus_start_xmit(struct sk_buff *skb, struct net_device *net)
/* cleanup should already have been scheduled */
break;
case -ENODEV: /* disconnect() upcoming */
+ netif_device_detach(pegasus->net);
break;
default:
pegasus->stats.tx_errors++;
@@ -999,6 +1018,8 @@ static int pegasus_open(struct net_device *net)
pegasus->rx_skb->data, PEGASUS_MTU + 8,
read_bulk_callback, pegasus);
if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) {
+ if (res == -ENODEV)
+ netif_device_detach(pegasus->net);
if (netif_msg_ifup(pegasus))
pr_debug("%s: failed rx_urb, %d", net->name, res);
goto exit;
@@ -1009,6 +1030,8 @@ static int pegasus_open(struct net_device *net)
pegasus->intr_buff, sizeof (pegasus->intr_buff),
intr_callback, pegasus, pegasus->intr_interval);
if ((res = usb_submit_urb(pegasus->intr_urb, GFP_KERNEL))) {
+ if (res == -ENODEV)
+ netif_device_detach(pegasus->net);
if (netif_msg_ifup(pegasus))
pr_debug("%s: failed intr_urb, %d\n", net->name, res);
usb_kill_urb(pegasus->rx_urb);