Re: [PATCH V2] x86:pci: Change sta2x11_dma_ops stucture to use switolb_dma_supported as it's dma_supported function in sta2x11-fixup.c

From: Ingo Molnar
Date: Wed Feb 18 2015 - 13:06:31 EST



* Ingo Molnar <mingo@xxxxxxxxxx> wrote:

>
> * Nicholas Krause <xerofoify@xxxxxxxxx> wrote:
>
> > This changes the structure sta2x11_dma_ops stucture to use switolb_dma_supported
> > as it's function for dma_supported hardware verus setting this value to NULL as
> > this should be set correctly for when dma_supported function needs to be called
> > for this hardware. Otherwise this will cause a bug that will crash a operation
> > needing to access this function if an intended hardware operation needs to call
> > it but the kernel has the function pointer for this structure set to NULL
> > incorrectly.
>
> Hm, I have asked a question for the v1 patch already:
>
> https://lkml.org/lkml/2015/2/16/30
>
> is there an answer to my question?

Ok, found your reply meanwhile - somehow lkml didn't index
the thread properly :-/

Thanks,

Ingo
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