[PATCH] drivers/media/radio/si470x/radio-si470x-usb.c fix use after free
in [Kernel]
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From: Darren Jenkins on 11 Feb 2010 06:10 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 <darrenrjenkins(a)gmail.com> --- drivers/media/radio/si470x/radio-si470x-usb.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) 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); } -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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