spi/spi_sh: use spi_unregister_master instead of spi_master_put in remove path

spi_master_put() should only be used in error handling.
Once spi_register_master() returns success, we should call
spi_unregister_master() instead.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/spi/spi_sh.c

@@ -427,10 +427,10 @@ static int __devexit spi_sh_remove(struct platform_device *pdev)
 {
 	struct spi_sh_data *ss = dev_get_drvdata(&pdev->dev);
 
+	spi_unregister_master(ss->master);
 	destroy_workqueue(ss->workqueue);
 	free_irq(ss->irq, ss);
 	iounmap(ss->addr);
-	spi_master_put(ss->master);
 
 	return 0;
 }