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-rw-r--r--drivers/usb/gadget/ether.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 9fc6a36..2965299 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1801,6 +1801,8 @@ static int usb_eth_send(struct eth_device* netdev, volatile void* packet, int le
int retval;
struct usb_request *req = NULL;
struct eth_dev *dev = &l_ethdev;
+ unsigned long ts;
+ unsigned long timeout = USB_CONNECT_TIMEOUT;
debug("%s:...\n", __func__);
@@ -1826,6 +1828,8 @@ static int usb_eth_send(struct eth_device* netdev, volatile void* packet, int le
? ((dev->tx_qlen % qmult) != 0) : 0;
#endif
dev->tx_qlen=1;
+ ts = get_timer(0);
+ packet_sent = 0;
retval = usb_ep_queue (dev->in_ep, req, GFP_ATOMIC);
@@ -1833,7 +1837,11 @@ static int usb_eth_send(struct eth_device* netdev, volatile void* packet, int le
debug("%s: packet queued\n", __func__);
while(!packet_sent)
{
- packet_sent=0;
+ if (get_timer(ts) > timeout) {
+ printf("timeout sending packets to usb ethernet\n");
+ return -1;
+ }
+ usb_gadget_handle_interrupts();
}
return 0;