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Don't zero out the linux request; we still need values from it. 

Limit the sense len to the linux input buffer.
This commit is contained in:
christos 2005-02-13 09:05:31 +00:00
parent 47be3434ec
commit d59582c127
1 changed files with 4 additions and 4 deletions
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8
sys/compat/linux/common/linux_sg.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux_sg.c,v 1.2 2005/02/13 09:01:25 christos Exp $ */
/* $NetBSD: linux_sg.c,v 1.3 2005/02/13 09:05:31 christos Exp $ */
/*
* Copyright (c) 2004 Soren S. Jorvang. All rights reserved.
@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux_sg.c,v 1.2 2005/02/13 09:01:25 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: linux_sg.c,v 1.3 2005/02/13 09:05:31 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -147,9 +147,9 @@ linux_ioctl_sg(struct proc *p, struct linux_sys_ioctl_args *uap,
#ifdef LINUX_SG_DEBUG
dump_scsireq(&req);
#endif
(void)memset(&lreq, 0, sizeof(lreq));
if (req.senselen_used) {
if (req.senselen > lreq.mx_sb_len)
req.senselen = lreq.mx_sb_len;
lreq.sb_len_wr = req.senselen;
error = copyout(req.sense, lreq.sbp, req.senselen);
if (error) {