From: Johan Hovold <jhovold@xxxxxxxxx>
Make sure usb_serial_port_softint is called on errors also when using
multi urb writes.
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/serial/generic.c | 15 +++++----------
1 files changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index e560d1d..214bf25 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -500,23 +500,18 @@ void usb_serial_generic_write_bulk_callback(struct urb *urb)
if (port->urbs_in_flight < 0)
port->urbs_in_flight = 0;
spin_unlock_irqrestore(&port->lock, flags);
-
- if (status) {
- dbg("%s - nonzero multi-urb write bulk status "
- "received: %d", __func__, status);
- return;
- }
} else {
port->write_urb_busy = 0;
- if (status) {
- dbg("%s - nonzero multi-urb write bulk status "
- "received: %d", __func__, status);
+ if (status)
kfifo_reset_out(&port->write_fifo);
- } else
+ else
usb_serial_generic_write_start(port);
}
+ if (status)
+ dbg("%s - non-zero urb status: %d", __func__, status);
+
usb_serial_port_softint(port);
}
EXPORT_SYMBOL_GPL(usb_serial_generic_write_bulk_callback);
--
1.7.0.2
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