Use the magic of common symbols to allow struct dev to effectively grow at
[people/xl0/gpxe.git] / src / include / mca.h
index e69b656..c12b1ca 100644 (file)
@@ -28,6 +28,7 @@
  */
 struct dev;
 struct mca_device {
+       char *magic; /* must be first */
        struct dev *dev;
        unsigned int slot;
        unsigned char pos[8];