Messages in this thread | | | Date | Mon, 16 Feb 2015 08:55:06 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH RESEND] x86:pci: Change sta2x11_dma_ops stucture to use switolb_dma_supported as it's dma_supported function in sta2x11-fixup.c |
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* Nicholas Krause <xerofoify@gmail.com> 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.
This is a pretty vague description - what specific hardware is affected and how is the bug triggered?
Thanks,
Ingo
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