serial: 8250_dw: cleanup dw8250_idma_filter

Remove the extra return.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index f4c5bd6fade11b74b153df0e70ef5d7b60db9b92..db67dd001b0d4b45f3aacd53d33350f4344a669f 100644 (file)
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -294,12 +294,7 @@ static void dw8250_setup_port(struct uart_8250_port *up)
 
 static bool dw8250_idma_filter(struct dma_chan *chan, void *param)
 {
-       struct device *dev = param;
-
-       if (dev != chan->device->dev->parent)
-               return false;
-
-       return true;
+       return param == chan->device->dev->parent;
 }
 
 static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)