ChangeSet 1.1504.2.45, 2003/12/12 11:03:38-08:00, [EMAIL PROTECTED]
[PATCH] USB: fix bug when errors happen in ioedgeport driver
drivers/usb/serial/io_edgeport.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff -Nru a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
--- a/drivers/usb/serial/io_edgeport.c Mon Dec 29 14:21:58 2003
+++ b/drivers/usb/serial/io_edgeport.c Mon Dec 29 14:21:58 2003
@@ -1488,16 +1488,20 @@
usb_sndbulkpipe(edge_serial->serial->dev,
edge_serial->bulk_out_endpoint),
buffer, count+2, edge_bulk_out_data_callback, edge_port);
+ /* decrement the number of credits we have by the number we just sent */
+ edge_port->txCredits -= count;
+ edge_port->icount.tx += count;
+
urb->dev = edge_serial->serial->dev;
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status) {
/* something went wrong */
dbg("%s - usb_submit_urb(write bulk) failed", __FUNCTION__);
edge_port->write_in_progress = FALSE;
- } else {
- /* decrement the number of credits we have by the number we just sent
*/
- edge_port->txCredits -= count;
- edge_port->icount.tx += count;
+
+ /* revert the credits as something bad happened. */
+ edge_port->txCredits += count;
+ edge_port->icount.tx -= count;
}
dbg("%s wrote %d byte(s) TxCredit %d, Fifo %d", __FUNCTION__, count,
edge_port->txCredits, fifo->count);
}
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