[PATCH] spi: check platform_device_register_simple() error
Check the return value of platform_device_register_simple().
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/spi/spi_butterfly.c b/drivers/spi/spi_butterfly.c
index c2f601f..312987a 100644
--- a/drivers/spi/spi_butterfly.c
+++ b/drivers/spi/spi_butterfly.c
@@ -251,6 +251,8 @@
* 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) {