i2c: imx: simplify i2c_imx_dma_write() a little

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Yao Yuan <yao.yuan@freescale.com>

drivers/i2c/busses/i2c-imx.c

@@ -657,11 +657,7 @@ static int i2c_imx_dma_write(struct imx_i2c_struct *i2c_imx,
 	if (result)
 		return result;
 
-	result = i2c_imx_acked(i2c_imx);
-	if (result)
-		return result;
-
-	return 0;
+	return i2c_imx_acked(i2c_imx);
 }
 
 static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx,