Re: [PATCH] mmc: Add missing sg_init_table() call

From: Haavard Skinnemoen
Date: Tue Nov 27 2007 - 04:12:09 EST


On Mon, 26 Nov 2007 21:29:55 -0800
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Thu, 22 Nov 2007 20:32:51 +0100 Haavard Skinnemoen <hskinnemoen@xxxxxxxxx> wrote:
>
> > mmc_init_queue only initializes the scatterlists with sg_init_table()
> > when using a bounce buffer. This leads to a BUG() when CONFIG_DEBUG_SG
> > is set.
> >
>
> I assume that 2.6.23 is not afflicted in this way?

Yes, the sg_init_table() interface and CONFIG_DEBUG_SG were both added
after 2.6.23. Before that, there was no need to do anything special to
initialize a scatterlist array apart from zeroing it.

Haavard
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