2002-04-22 Roland McGrath <roland@frob.com>

	* sysdeps/mach/hurd/i386/ioperm.c (ioperm): Translate MIG_BAD_ID
	failure from i386_io_perm_* RPCs to ENOSYS.

diff --git a/sysdeps/mach/hurd/i386/ioperm.c b/sysdeps/mach/hurd/i386/ioperm.c
index 4a3cd77..39139bc 100644 (file)
--- a/sysdeps/mach/hurd/i386/ioperm.c
+++ b/sysdeps/mach/hurd/i386/ioperm.c
@@ -44,6 +44,9 @@ ioperm (unsigned long int from, unsigned long int num, int turn_on)
          err = __i386_io_perm_modify (__mach_task_self (), perm, turn_on);
          __mach_port_deallocate (__mach_task_self (), perm);
        }
+
+      if (err == MIG_BAD_ID)   /* Old kernels don't have these RPCs.  */
+       err = ENOSYS;
     }
 
   return err ? __hurd_fail (err) : 0;