media: gspca: null check create_singlethread_workqueue

In sd_start the return value of create_singlethread_workqueue needs null check. Signed-off-by: Navid Emamdoost <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
sudhin-joseph · Oct 10, 2019 · 68085f3 · 68085f3
1 parent e6f45ea
commit 68085f3
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/media/usb/gspca/sq905c.c b/drivers/media/usb/gspca/sq905c.c
@@ -276,6 +276,9 @@ static int sd_start(struct gspca_dev *gspca_dev)
 	}
 	/* Start the workqueue function to do the streaming */
 	dev->work_thread = create_singlethread_workqueue(MODULE_NAME);
+	if (!dev->work_thread)
+		return -ENOMEM;
+
 	queue_work(dev->work_thread, &dev->work_struct);
 
 	return 0;