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2004-02-22  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: Pop register
	content also in case of an overflow in the parameter.
	Reported by Momchil Velikov <velco@fadata.bg>.
This commit is contained in:
Ulrich Drepper
2004-02-22 19:37:31 +00:00
parent c91b8752c3
commit a8fd5a02d9
5 changed files with 38 additions and 26 deletions
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8
sysdeps/unix/sysv/linux/i386/posix_fadvise64.S
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@ -1,4 +1,4 @@
/* Copyright (C) 1995,96,97,98,99,2000,2002,2003 Free Software Foundation, Inc.
/* Copyright (C) 1995-2000,2002,2003,2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -85,6 +85,7 @@ ENTRY (BP_SYM (__posix_fadvise64_l64))
/* Overflow check. */
cmpl $0, LENHI(%esp)
movl $-EOVERFLOW, %eax
jne L(overflow)
movl FD(%esp), %ebx
@ -97,6 +98,7 @@ ENTRY (BP_SYM (__posix_fadvise64_l64))
ENTER_KERNEL
/* Restore registers. */
L(overflow):
popl %edi
popl %esi
popl %ebx
@ -106,10 +108,6 @@ ENTRY (BP_SYM (__posix_fadvise64_l64))
/* Successful; return the syscall's value. */
ret
L(overflow):
movl $EOVERFLOW, %eax
ret
#else
movl $ENOSYS, %eax
ret