spi: s3c64xx: fix reference leak to master in s3c64xx_spi_remove()

Once a spi_master_get() call succeeds, we need an additional
spi_master_put() call to free the memory, otherwise we will
leak a reference to master. Fix by removing the unnecessary
spi_master_get() call.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: NAndi Shyti <andi.shyti@samsung.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

drivers/spi/spi-s3c64xx.c

@@ -1211,7 +1211,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
 
 static int s3c64xx_spi_remove(struct platform_device *pdev)
 {
-	struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
+	struct spi_master *master = platform_get_drvdata(pdev);
 	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
 
 	pm_runtime_get_sync(&pdev->dev);