(_ioperm): Map all ports starting from 0 not only from `from'.

diff --git a/sysdeps/unix/sysv/linux/alpha/ioperm.c b/sysdeps/unix/sysv/linux/alpha/ioperm.c
index 76a744d1676124a57ce306d45187db2093bf564d..cf263f762cf9659aab851d7543f79d349c8f384f 100644 (file)
--- a/sysdeps/unix/sysv/linux/alpha/ioperm.c
+++ b/sysdeps/unix/sysv/linux/alpha/ioperm.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Mosberger.
 
@@ -416,8 +416,7 @@ _ioperm (unsigned long int from, unsigned long int num, int turn_on)
              __set_errno (ENODEV);
              return -1;
            }
-         addr  = port_to_cpu_addr (from, io.sys, 1);
-         addr &= PAGE_MASK;
+         addr  = port_to_cpu_addr (0, io.sys, 1);
          len = port_to_cpu_addr (MAX_PORT, io.sys, 1) - addr;
          io.base =
            (unsigned long int) __mmap (0, len, PROT_NONE, MAP_SHARED,