Re: [PATCH 04/07] sata_mv: update ata_qc_from_tag

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Grant Grundler wrote:
On Fri, Jan 30, 2009 at 3:49 PM, Mark Lord <liml@xxxxxx> wrote:
Update the logic in ata_qc_from_tag() to match that used
in similar places elsewhere in libata.

Signed-off-by: Mark Lord <mlord@xxxxxxxxx>

--- old/drivers/ata/sata_mv.c   2009-01-30 18:23:22.000000000 -0500
+++ linux/drivers/ata/sata_mv.c 2009-01-30 18:26:55.000000000 -0500
@@ -1628,6 +1628,12 @@
       if (pp->pp_flags & MV_PP_FLAG_NCQ_EN)
               return NULL;
       qc = ata_qc_from_tag(ap, ap->link.active_tag);
+       if (qc) {
+               if (qc->tf.flags & ATA_TFLAG_POLLING)
+                       qc = NULL;
+               else if (!(qc->flags & ATA_QCFLAG_ACTIVE))
+                       qc = NULL;
+       }
       if (qc && (qc->tf.flags & ATA_TFLAG_POLLING))
               qc = NULL;

Mark,
isn't the second test redudant now and can be removed?
..

Yes, and it has been.  Keep reading.

-ml

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