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If ksyms have not been initialized, return ENXIO in ksymsopen instead of 

ksymsread, because ksyms client test availability with open() and not
read().
This commit is contained in:
cube 2004-01-08 22:48:26 +00:00
parent 1cb1c3286e
commit 3bf5e4c13b
1 changed files with 4 additions and 4 deletions
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8
sys/kern/kern_ksyms.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_ksyms.c,v 1.17 2003/11/17 10:16:18 cube Exp $ */
/* $NetBSD: kern_ksyms.c,v 1.18 2004/01/08 22:48:26 cube Exp $ */
/*
* Copyright (c) 2001, 2003 Anders Magnusson (ragge@ludd.luth.se).
* All rights reserved.
@ -46,7 +46,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_ksyms.c,v 1.17 2003/11/17 10:16:18 cube Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_ksyms.c,v 1.18 2004/01/08 22:48:26 cube Exp $");
#ifdef _KERNEL
#include "opt_ddb.h"
@ -949,6 +949,8 @@ ksymsopen(dev_t dev, int oflags, int devtype, struct proc *p)
if (minor(dev))
return ENXIO;
if (ksymsinited == 0)
return ENXIO;
ksyms_hdr.kh_shdr[SYMTAB].sh_size = symsz;
ksyms_hdr.kh_shdr[STRTAB].sh_offset = symsz +
@ -991,8 +993,6 @@ ksymsread(dev_t dev, struct uio *uio, int ioflag)
printf("ksymsread: offset 0x%llx resid 0x%lx\n",
(long long)uio->uio_offset, uio->uio_resid);
#endif
if (ksymsinited == 0)
return ENXIO;
off = uio->uio_offset;
if (off >= (strsz + symsz + HDRSIZ))