diff --git a/drivers/staging/unisys/visorbus/visorchannel.c b/drivers/staging/unisys/visorbus/visorchannel.c
index 1789f9d89c0d..6e7675e27b21 100644
--- a/drivers/staging/unisys/visorbus/visorchannel.c
+++ b/drivers/staging/unisys/visorbus/visorchannel.c
@@ -62,6 +62,9 @@ visorchannel_create_guts(u64 physaddr, unsigned long channel_bytes,
 	int err;
 	size_t size = sizeof(struct channel_header);
 
+	if (physaddr == 0)
+		return NULL;
+
 	channel = kzalloc(sizeof(*channel), gfp);
 	if (!channel)
 		goto cleanup;