[PATCH] spi: check platform_device_register_simple() error

[Akinobu Mita]

This patch checks the return value of platform_device_register_simple().

Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>

---
 drivers/spi/spi_butterfly.c |    2 ++
 1 file changed, 2 insertions(+)

Index: work-fault-inject/drivers/spi/spi_butterfly.c
===================================================================
--- work-fault-inject.orig/drivers/spi/spi_butterfly.c
+++ work-fault-inject/drivers/spi/spi_butterfly.c
@@ -250,6 +250,8 @@ static void butterfly_attach(struct parp
 	 * setting up a platform device like this is an ugly kluge...
 	 */
 	pdev = platform_device_register_simple("butterfly", -1, NULL, 0);
+	if (IS_ERR(pdev))
+		return;
 
 	master = spi_alloc_master(&pdev->dev, sizeof *pp);
 	if (!master) {
-
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