On Wed, 2007-03-07 at 11:16 -0800, Andrew Morton wrote:
> Achim did reply: http://lkml.org/lkml/2007/2/23/138
Ah ... OK; sorry, I'm parochial ... if it didn't appear on linux-scsi,
you can usually assume I haven't seen it.
> So we don't know what the patch does, but it should be merged into
> -stable
> (and mainline, heaven forfend)
Well ... I would, except what this patch does is to initialise the
command sg_ranz field (for both 64 bit and 32 bit commands). If you
look in the code just below the patch application at the
if (scp->use_sg) {
...
} else if (scp->request_bufflen) {
...
}
You'll find a line setting these parameters in each of the cases of the
if statement. So the bug appears to be that there's a missing else
clause to this if, which would initialise the zero transfer commands.
Is that a correct analysis?
James
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