Hi,
Here's a patch against 2.5.3-pre5 that fixes a bug in the USB hcd code.
Now the correct status is returned for a async unlink of an urb.
This patch was done by David Brownell.
thanks,
greg k-h
diff -Nru a/drivers/usb/hcd.c b/drivers/usb/hcd.c
--- a/drivers/usb/hcd.c Fri Jan 25 10:29:59 2002
+++ b/drivers/usb/hcd.c Fri Jan 25 10:29:59 2002
@@ -1175,6 +1181,8 @@
dbg ("%s: wait for giveback urb %p",
hcd->bus_name, urb);
}
+ } else if ((urb->transfer_flags & USB_ASYNC_UNLINK) && retval == 0) {
+ return -EINPROGRESS;
}
goto bye;
done:
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