Index: kernel/generic/include/errno.h
===================================================================
--- kernel/generic/include/errno.h	(revision 228666c006a3414de772f08f77335c546dd21aab)
+++ kernel/generic/include/errno.h	(revision c2efbb4ffae4b59dd2f12995a3926eb4251bfa3d)
@@ -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. */