drivers/media/radio/si470x/radio-si470x-usb.c fix use after free

Commit Message

Darren Jenkins Feb. 11, 2010, 11:07 a.m. UTC

None

Patch

diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c
index a96e1b9..1588a9d 100644
--- a/drivers/media/radio/si470x/radio-si470x-usb.c
+++ b/drivers/media/radio/si470x/radio-si470x-usb.c
@@ -842,9 +842,11 @@  static void si470x_usb_driver_disconnect(struct usb_interface *intf)
 		kfree(radio->int_in_buffer);
 		video_unregister_device(radio->videodev);
 		kfree(radio->buffer);
+		mutex_unlock(&radio->disconnect_lock);
 		kfree(radio);
+	} else {
+		mutex_unlock(&radio->disconnect_lock);
 	}
-	mutex_unlock(&radio->disconnect_lock);
 }