Max Kellermann e7cd17a29d
[media] drivers/media/media-device: fix double free bug in _unregister() ...
While removing all interfaces in media_device_unregister(), all
media_interface pointers are freed. This is illegal and results in
double kfree() if any media_interface is still linked at this point;
maybe because a userspace process still has a file handle. Once the
process closes the file handle, dvb_media_device_free() gets called,
which frees the dvb_device.intf_devnode again.
This patch removes the unnecessary kfree() call, and documents who's
responsible for really freeing it.
Signed-off-by: Max Kellermann <max.kellermann@gmail.com >
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com >
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e7cd17a29d