spi/spidev: Use PTR_RET function

Replaced calls to IS_ERR and PTR_ERR with PTR_RET function.
Patch found using coccinelle.
Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

drivers/spi/spidev.c

@@ -603,7 +603,7 @@ static int spidev_probe(struct spi_device *spi)
 		dev = device_create(spidev_class, &spi->dev, spidev->devt,
 				    spidev, "spidev%d.%d",
 				    spi->master->bus_num, spi->chip_select);
-		status = IS_ERR(dev) ? PTR_ERR(dev) : 0;
+		status = PTR_RET(dev);
 	} else {
 		dev_dbg(&spi->dev, "no minor number available!\n");
 		status = -ENODEV;