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path: root/drivers/spi/spi_butterfly.c
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Diffstat (limited to 'drivers/spi/spi_butterfly.c')
-rw-r--r--drivers/spi/spi_butterfly.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/spi/spi_butterfly.c b/drivers/spi/spi_butterfly.c
index 39d9b20f2038..312987a03210 100644
--- a/drivers/spi/spi_butterfly.c
+++ b/drivers/spi/spi_butterfly.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/parport.h>
+#include <linux/sched.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
#include <linux/spi/flash.h>
@@ -250,6 +251,8 @@ static void butterfly_attach(struct parport *p)
* 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) {