spi: atmel: No need to call spi_master_put() if spi_alloc_master() failed

There is no need to call spi_master_put() if spi_alloc_master()
failed, it should return -ENOMEM directly.

Signed-off-by: Peng Fan <fanpeng@loongson.cn>
Link: https://lore.kernel.org/r/1594111842-9468-1-git-send-email-fanpeng@loongson.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 2d9a744)
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>

Author: ticat123

drivers/spi/spi-atmel.c

@@ -1525,10 +1525,9 @@ static int atmel_spi_probe(struct platform_device *pdev)
 		return PTR_ERR(clk);
 
 	/* setup spi core then atmel-specific driver state */
-	ret = -ENOMEM;
 	master = spi_alloc_master(&pdev->dev, sizeof(*as));
 	if (!master)
-		goto out_free;
+		return -ENOMEM;
 
 	/* the spi->mode bits understood by this driver: */
 	master->use_gpio_descriptors = true;