This patch kills traffic even though type->suspend returns failure inside usb_serial_suspend from system sleep context because USB core ignores the failiure and lets system sleep go ahread, so the serial URB traffic need to be killed in this case.
Cc: Johan Hovold <[email protected]> Signed-off-by: Ming Lei <[email protected]> --- drivers/usb/serial/usb-serial.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index a19ed74..04ad3d5 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1144,7 +1144,8 @@ int usb_serial_suspend(struct usb_interface *intf, pm_message_t message) r = serial->type->suspend(serial, message); if (r < 0) { serial->suspending = 0; - goto err_out; + if (PMSG_IS_AUTO(msg)) + goto err_out; } } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
