diff --git a/drivers/ata/dwc_ahsata.c b/drivers/ata/dwc_ahsata.c
index 82fbb50..2bc1de8 100644
--- a/drivers/ata/dwc_ahsata.c
+++ b/drivers/ata/dwc_ahsata.c
@@ -918,6 +918,9 @@
 	while (readl(&host_mmio->ghc) & SATA_HOST_GHC_HR)
 		udelay(100);
 
+	free(uc_priv);
+	memset(&sata_dev_desc[dev], 0, sizeof(struct blk_desc));
+
 	return 0;
 }