Do not report errors in write path if port is used as a console as this may trigger the same error (and error report) resulting in a loop.
Reported-by: Stephen Hemminger <[email protected]> Cc: stable <[email protected]> Signed-off-by: Johan Hovold <[email protected]> --- Greg, This should fix the problem for most drivers, but I'll go through the custom write implementations as well. Thanks, Johan drivers/usb/serial/generic.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index e4db5ad..9f0b2bf 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -215,8 +215,10 @@ retry: clear_bit(i, &port->write_urbs_free); result = usb_submit_urb(urb, GFP_ATOMIC); if (result) { - dev_err(&port->dev, "%s - error submitting urb: %d\n", + if (!port->port.console) { + dev_err(&port->dev, "%s - error submitting urb: %d\n", __func__, result); + } set_bit(i, &port->write_urbs_free); spin_lock_irqsave(&port->lock, flags); port->tx_bytes -= count; -- 1.7.8.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
