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authorIngo Molnar <mingo@elte.hu>2009-03-13 01:29:17 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-13 01:29:17 +0100
commit3c1f67d60e2b4f4455563928999fd41cc653645d (patch)
tree0d58c145a05fb09167f1ab6882b474eccb1f3563 /drivers/ata/libata-core.c
parent03d78913f01e8f6599823f00357ed17b32747d3d (diff)
parent9ead64974b05501bbac0d63a47c99fa786d064ba (diff)
downloadop-kernel-dev-3c1f67d60e2b4f4455563928999fd41cc653645d.zip
op-kernel-dev-3c1f67d60e2b4f4455563928999fd41cc653645d.tar.gz
Merge branch 'linus' into core/locking
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9fbf059..060bcd6 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1322,14 +1322,16 @@ static u64 ata_id_n_sectors(const u16 *id)
{
if (ata_id_has_lba(id)) {
if (ata_id_has_lba48(id))
- return ata_id_u64(id, 100);
+ return ata_id_u64(id, ATA_ID_LBA_CAPACITY_2);
else
- return ata_id_u32(id, 60);
+ return ata_id_u32(id, ATA_ID_LBA_CAPACITY);
} else {
if (ata_id_current_chs_valid(id))
- return ata_id_u32(id, 57);
+ return id[ATA_ID_CUR_CYLS] * id[ATA_ID_CUR_HEADS] *
+ id[ATA_ID_CUR_SECTORS];
else
- return id[1] * id[3] * id[6];
+ return id[ATA_ID_CYLS] * id[ATA_ID_HEADS] *
+ id[ATA_ID_SECTORS];
}
}
@@ -4612,7 +4614,7 @@ void ata_sg_clean(struct ata_queued_cmd *qc)
VPRINTK("unmapping %u sg elements\n", qc->n_elem);
if (qc->n_elem)
- dma_unmap_sg(ap->dev, sg, qc->n_elem, dir);
+ dma_unmap_sg(ap->dev, sg, qc->orig_n_elem, dir);
qc->flags &= ~ATA_QCFLAG_DMAMAP;
qc->sg = NULL;
@@ -4727,7 +4729,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc)
return -1;
DPRINTK("%d sg elements mapped\n", n_elem);
-
+ qc->orig_n_elem = qc->n_elem;
qc->n_elem = n_elem;
qc->flags |= ATA_QCFLAG_DMAMAP;
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