diff options
| -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 21d194c6ace..9e58f134f68 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2577,7 +2577,6 @@ 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; @@ -2585,6 +2584,7 @@ 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 */ @@ -2609,8 +2609,6 @@ next_page: kunmap(page); if (bytes) { - if (qc->cursg_ofs < sg->length) - goto next_page; goto next_sg; } } |