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Subject: [media] cx231xx: use after free on error path in probe
Author:  Dan Carpenter <[email protected]>
Date:    Fri Nov 1 07:34:40 2013 -0300

We dereference "dev" after it has already been freed.

Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Cc: [email protected]
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 drivers/media/usb/cx231xx/cx231xx-cards.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

---

http://git.linuxtv.org/media_tree.git?a=commitdiff;h=7e4b918750b494b68e24222dea5f7d85e90db022

diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c 
b/drivers/media/usb/cx231xx/cx231xx-cards.c
index e9d017b..528cce9 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -1412,8 +1412,8 @@ err_v4l2:
        usb_set_intfdata(interface, NULL);
 err_if:
        usb_put_dev(udev);
-       kfree(dev);
        clear_bit(dev->devno, &cx231xx_devused);
+       kfree(dev);
        return retval;
 }
 
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