[PATCH] m5602: correctly check failed thread creation

[Insu Yun]

Signed-off-by: Insu Yun <wuninsu@xxxxxxxxx>
---
 drivers/media/usb/gspca/m5602/m5602_s5k83a.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/usb/gspca/m5602/m5602_s5k83a.c b/drivers/media/usb/gspca/m5602/m5602_s5k83a.c
index bf6b215..84b2961 100644
--- a/drivers/media/usb/gspca/m5602/m5602_s5k83a.c
+++ b/drivers/media/usb/gspca/m5602/m5602_s5k83a.c
@@ -221,6 +221,9 @@ int s5k83a_start(struct sd *sd)
 	   to assume that there is no better way of accomplishing this */
 	sd->rotation_thread = kthread_create(rotation_thread_function,
 					     sd, "rotation thread");
+	if (IS_ERR(sd->rotation_thread))
+		return PTR_ERR(sd->rotation_thread);
+
 	wake_up_process(sd->rotation_thread);
 
 	/* Preinit the sensor */
-- 
1.9.1

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