On Mon, Jan 07 2008, Rusty Russell wrote:
> I realize that sg chaining is a ploy to make the rest of the kernel
> devs feel the pain of the SCSI subsystem.  But this was a little
> unsubtle.
> 
> Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
> 
> diff -r b3aec596b841 include/linux/scatterlist.h
> --- a/include/linux/scatterlist.h     Mon Jan 07 12:43:56 2008 +1100
> +++ b/include/linux/scatterlist.h     Mon Jan 07 15:01:51 2008 +1100
> @@ -188,8 +188,8 @@ static inline void sg_chain(struct scatt
>       /*
>        * offset and length are unused for chain entry.  Clear them.
>        */
> -     prv->offset = 0;
> -     prv->length = 0;
> +     prv[prv_nents - 1].offset = 0;
> +     prv[prv_nents - 1].length = 0;
>  
>       /*
>        * Set lowest bit to indicate a link pointer, and make sure to clear

Dang, I should have caught that. Thanks Rusty...

-- 
Jens Axboe

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