diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 9e18cc9be0d37f910345582a180dc4909ad34abb..228740f356c961ef3768411a349d146a950c3c4f 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1628,6 +1628,7 @@ void ata_eh_analyze_ncq_error(struct ata_link *link)
 	}
 
 	/* okay, this error is ours */
+	memset(&tf, 0, sizeof(tf));
 	rc = ata_eh_read_log_10h(dev, &tag, &tf);
 	if (rc) {
 		ata_link_printk(link, KERN_ERR, "failed to read log page 10h "