From 96dd6de3d058a454a5bc4ce2f561a053dd90bfae Mon Sep 17 00:00:00 2001 From: Darren Jenkins Date: Thu, 11 Feb 2010 08:07:53 -0300 Subject: [PATCH] V4L/DVB: drivers/media/radio/si470x/radio-si470x-usb.c fix use after free In si470x_usb_driver_disconnect() radio->disconnect_lock is accessed after it is freed. This fixes the problem. Coverity CID: 2530 Signed-off-by: Darren Jenkins Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/si470x/radio-si470x-usb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c index a0a79c70dd5..6f60841828d 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); } -- 2.11.4.GIT