diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index a07d319f6e8cc1d6e2b42d12c5d7d3c6105e7d4a..f251a5f569d52403c8fa246848a0f7ff88d63e5b 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -543,7 +543,7 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc)
 	idx = 0;
 	for_each_sg(qc->sg, sg, qc->n_elem, si) {
 		u32 addr, offset;
-		u32 sg_len, len;
+		u32 sg_len;
 
 		/* determine if physical DMA addr spans 64K boundary.
 		 * Note h/w doesn't support 64-bit, so we unconditionally