spi/spi_tegra: use spi_unregister_master() instead of spi_master_put()

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_tegra.c

@@ -578,6 +578,7 @@ static int __devexit spi_tegra_remove(struct platform_device *pdev)
 	master = dev_get_drvdata(&pdev->dev);
 	tspi = spi_master_get_devdata(master);
 
+	spi_unregister_master(master);
 	tegra_dma_free_channel(tspi->rx_dma);
 
 	dma_free_coherent(&pdev->dev, sizeof(u32) * BB_LEN,
@@ -586,7 +587,6 @@ static int __devexit spi_tegra_remove(struct platform_device *pdev)
 	clk_put(tspi->clk);
 	iounmap(tspi->base);
 
-	spi_master_put(master);
 	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	release_mem_region(r->start, (r->end - r->start) + 1);