Hi
On Mon, 5 Nov 2012, �~M�~^�V wrote:
> Dear sir:
> why not call "videobuf_mmap_free",when device close call "soc_camera_close" in linux-2.6.x;
I haven't found any version, where this has been done. I don't think this
is needed, because videobuf mmap allocations will be freed automatically
upon the last close(). Please, dismiss your bugzilla entry.
Thanks
Guennadi
> do the same in linux-3.x.x?
> video capture flow:
> 1)open
> 2)set fmt
> 3)request buffer-->__videobuf_mmap_setup-->videobuf_alloc_vb(q)
> 4)mmap
> 5)enqueue, dequeue
> 6)unmap
> 7)close--->soc_camera_close-->?should call:videobuf_mmap_free
> NOTE:
> I have reviewed all the code, found:soc_camera_driver device driver coders has no way(callback function) to call videobuf_mmap_free; it will case memory leak.N������y��X��ǧv��){.n�����{���)�� jg��� �����ݢj/���ޖ��ޙ��&�)ߡ�a�������+v���w��
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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