[PATCH 1/4] mm: cma: Don't crash on allocation if CMA area can't be activated

[Michal Nazarewicz]

> On Thursday 23 October 2014 18:53:36 Michal Nazarewicz wrote:
>> As a matter of fact, this is present in kernels earlier than 3.17 but in
>> the 3.17 the code has been moved from drivers/base/dma-contiguous.c to
>> mm/cma.c so this might require separate stable patch.

On Fri, Oct 24 2014, Laurent Pinchart <laurent.pinchart at ideasonboard.com> wrote:
> That could be done, but I'm not sure if it's really worth it. The bug only 
> occurs when the CMA zone activation fails. I've ran into that case due to a 
> bug introduced in v3.18-rc1, but this shouldn't be the case for older kernel 
> versions.

Fair enough.

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