[PATCH] USB: add ability for usb-serial drivers to determine if their write urb is currently being used.

This removes a lot of racy and buggy code by trying to check the status of the urb.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index 3bd69c4ef24b..c05c2a2a0f31 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -818,11 +818,6 @@ static void ipaq_write_gather(struct usb_serial_port *port)
         struct ipaq_packet      *pkt, *tmp;
         struct urb              *urb = port->write_urb;
 
-        if (urb->status == -EINPROGRESS) {
-                /* Should never happen */
-                err("%s - flushing while urb is active !", __FUNCTION__);
-                return;
-        }
         room = URBDATA_SIZE;
         list_for_each_entry_safe(pkt, tmp, &priv->queue, list) {
                 count = min(room, (int)(pkt->len - pkt->written));