Index: kernel/generic/include/errno.h
===================================================================
--- kernel/generic/include/errno.h	(revision 7af8c0e6f5392a9da45995cd52a12f36e610fdc1)
+++ kernel/generic/include/errno.h	(revision 721d4e853e8e491d2762f94112d2528162530557)
@@ -57,11 +57,6 @@
 #define EADDRNOTAVAIL	-12	/* Address not available. */
 #define ETIMEOUT        -13     /* Timeout expired */
-//MH
-#ifndef EINVAL
 #define EINVAL          -14     /* Invalid value */
-#endif
-#ifndef EBUSY
 #define EBUSY           -15     /* Resource is busy */
-#endif
 #define EOVERFLOW	-16	/* The result does not fit its size. */
 #define EINTR		-17	/* Operation was interrupted. */