Index: uspace/lib/block/libblock.c
===================================================================
--- uspace/lib/block/libblock.c	(revision 4046b2f4166ca5db3b550a1346cc8476a4ab39c9)
+++ uspace/lib/block/libblock.c	(revision bbd4c725136443faef2d5737a2b6387fb04f81c1)
@@ -911,5 +911,5 @@
 	int rc = read_toc(devcon->sess, session);
 	if (rc == EOK)
-		memcpy(buf, devcon->comm_area, devcon->pblock_size);
+		memcpy(data, devcon->comm_area, devcon->pblock_size);
 	
 	fibril_mutex_unlock(&devcon->comm_area_lock);