diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index 98c991bb67e540fa65b79a86f9877002acddc74d..e5d051f1d5f7a4bc1f7374ce705a701a8f85ca11 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -1523,7 +1523,7 @@ static int handle_command(struct controlvm_message inmsg, u64 channel_addr)
 	 * within our OS-controlled memory. We need to know that, because it
 	 * makes a difference in how we compute the virtual address.
 	 */
-	if (parm_addr && parm_bytes) {
+	if (parm_bytes) {
 		bool retry = false;
 
 		parser_ctx =