diff options
Diffstat (limited to 'drivers/scsi/libata-core.c')
| -rw-r--r-- | drivers/scsi/libata-core.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 84c4770e5bb..36b401fee1f 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2607,7 +2607,6 @@ static void __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes) next_sg: sg = &qc->sg[qc->cursg]; -next_page: page = sg->page; offset = sg->offset + qc->cursg_ofs; @@ -2615,6 +2614,7 @@ next_page: page = nth_page(page, (offset >> PAGE_SHIFT)); offset %= PAGE_SIZE; + /* don't overrun current sg */ count = min(sg->length - qc->cursg_ofs, bytes); /* don't cross page boundaries */ @@ -2639,8 +2639,6 @@ next_page: kunmap(page); if (bytes) { - if (qc->cursg_ofs < sg->length) - goto next_page; goto next_sg; } } |