1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 825e717bcef9..7914def54fa3 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -587,7 +587,7 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc)
                         VPRINTK("Splitting last PRD.\n");
 
                         addr = le32_to_cpu(ap->prd[idx - 1].addr);
-                        ap->prd[idx - 1].flags_len -= cpu_to_le32(SG_COUNT_ASIC_BUG);
+                        ap->prd[idx - 1].flags_len = cpu_to_le32(len - SG_COUNT_ASIC_BUG);
                         VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx - 1, addr, SG_COUNT_ASIC_BUG);
 
                         addr = addr + len - SG_COUNT_ASIC_BUG;