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SubjectRe: [PATCH 0/8] [media] v4l2-core: Fine-tuning for some function implementations
Hi Markus,

On Mon, Dec 26, 2016 at 09:41:19PM +0100, SF Markus Elfring wrote:
> From: Markus Elfring <>
> Date: Mon, 26 Dec 2016 21:30:12 +0100
> Some update suggestions were taken into account
> from static source code analysis.
> Markus Elfring (8):
> v4l2-async: Use kmalloc_array() in v4l2_async_notifier_unregister()
> v4l2-async: Delete an error message for a failed memory allocation in v4l2_async_notifier_unregister()
> videobuf-dma-sg: Use kmalloc_array() in videobuf_dma_init_user_locked()
> videobuf-dma-sg: Adjust 24 checks for null values
> videobuf-dma-sg: Move two assignments for error codes in __videobuf_mmap_mapper()
> videobuf-dma-sg: Improve a size determination in __videobuf_mmap_mapper()
> videobuf-dma-sg: Delete an unnecessary return statement in videobuf_vm_close()
> videobuf-dma-sg: Add some spaces for better code readability in videobuf_dma_init_user_locked()

I don't really disagree with the videobuf changes as such --- the original
code sure seems quite odd, but I wonder whether we want to do this kind of
cleanups in videobuf. Videobuf will be removed likely in not too distant
future; when exactly, Hans can guesstimate better than me. Cc him.

Kind regards,

Sakari Ailus
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