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authorUlrich Drepper <drepper@redhat.com>1998-02-16 18:13:11 +0000
committerUlrich Drepper <drepper@redhat.com>1998-02-16 18:13:11 +0000
commitd7d1f4baddee50c8629458a84a0d0a28865708f8 (patch)
tree60c2a6d0b4bd0d4d04f89df424ebbf524067beca /sysdeps
parent4fba2352f8afa2eccb6c4f81b55e30dff5fde0c0 (diff)
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(_ioperm): Map all ports starting from 0 not only from `from'.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/alpha/ioperm.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/ioperm.c b/sysdeps/unix/sysv/linux/alpha/ioperm.c
index 76a744d167..cf263f762c 100644
--- 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,