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)) {
mv_sg->flags_size |= cpu_to_le32(EPRD_FLAG_END_OF_TBL);
+ end_marked++;
+ }
mv_sg++;
}
-
}
+ BUG_ON(end_marked != 1);