USB: ftdi_sio: fix error message on close
Resubmitting read urb fails with -EPERM if completion handler runs while
urb is being killed on close. This should not be reported as an error.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 7638828..22070ac 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1720,7 +1720,7 @@
urb->transfer_buffer_length,
ftdi_read_bulk_callback, port);
result = usb_submit_urb(urb, mem_flags);
- if (result)
+ if (result && result != -EPERM)
dev_err(&port->dev,
"%s - failed submitting read urb, error %d\n",
__func__, result);