diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index a878f47..12c11b7 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -138,14 +138,15 @@
 		hwif->sg_dma_direction = DMA_TO_DEVICE;
 
 	i = dma_map_sg(hwif->dev, sg, hwif->sg_nents, hwif->sg_dma_direction);
-	if (i) {
+	if (i == 0)
+		ide_map_sg(drive, rq);
+	else {
 		hwif->orig_sg_nents = hwif->sg_nents;
 		hwif->sg_nents = i;
 	}
 
 	return i;
 }
-EXPORT_SYMBOL_GPL(ide_build_sglist);
 
 /**
  *	ide_destroy_dmatable	-	clean up DMA mapping