Messages in this thread | | | Date | Wed, 20 Jan 2010 12:48:17 +0200 | Subject | Re: [PATCH] asm-generic: dma: Add BUG_ON for uninitialized dma_ops | From | Alexey Dobriyan <> |
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On Wed, Jan 20, 2010 at 12:08 PM, <monstr@monstr.eu> wrote: > From: Michal Simek <monstr@monstr.eu> > > Check that dma_ops are initialized correctly. Without this > checking you get kernel fault and you don't know where the problem is.
Oh, yes you do. PC will be of some small value.
> + BUG_ON(!ops); > BUG_ON(!valid_dma_direction(dir)); > addr = ops->map_page(dev, virt_to_page(ptr), -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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