Benny Halevy wrote:


On 10/18/07, *Jeff Garzik* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:

    Jens Axboe wrote:
     > index 4df8311..b858183 100644
     > --- a/drivers/ata/sata_mv.c
     > +++ b/drivers/ata/sata_mv.c
     > @@ -1139,6 +1139,7 @@ static void mv_fill_sg(struct
    ata_queued_cmd *qc)
     >       struct mv_port_priv *pp = qc->ap->private_data;
     >       struct scatterlist *sg;
     >       struct mv_sg *mv_sg;
     > +     int end_marked = 0;
     >
     >       mv_sg = pp->sg_tbl;
     >       ata_for_each_sg(sg, qc) {
     > @@ -1159,13 +1160,15 @@ static void mv_fill_sg(struct
    ata_queued_cmd *qc)
     >                       sg_len -= len;
     >                       addr += len;
     >
     > -                     if (!sg_len && ata_sg_is_last(sg, qc))
> + if (!sg_len && ata_sg_is_last(sg, qc)) {

I'm not sure, but shouldn't that be || rather than &&?

sg_len is zero at the end of each scatterlist entry, so we need to test the additional ata_sg_is_last() condition to determine if we are really at the end of the PRD table.

        Jeff



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