Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't leak information from kernel to userland.

Browse Source 
(Well, the first 2 changes wouldn't really be neccessary,
however, IMHO this makes it clearer why we don't leak.)
This commit is contained in:
ws 2008-03-08 18:46:18 +00:00
parent 6f6f89d28a
commit 27973cf78e
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/dev/usb/usb.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: usb.c,v 1.107 2008/03/01 14:16:51 rmind Exp $ */
/* $NetBSD: usb.c,v 1.108 2008/03/08 18:46:18 ws Exp $ */
/*
* Copyright (c) 1998, 2002 The NetBSD Foundation, Inc.
@ -44,7 +44,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: usb.c,v 1.107 2008/03/01 14:16:51 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: usb.c,v 1.108 2008/03/08 18:46:18 ws Exp $");
#include "opt_compat_netbsd.h"
@ -517,10 +517,10 @@ usbread(dev_t dev, struct uio *uio, int flag)
;
}
error = uiomove((void *)ueo, uio->uio_resid, uio);
error = uiomove((void *)ueo, sizeof *ueo, uio);
} else
#endif
error = uiomove((void *)ue, uio->uio_resid, uio);
error = uiomove((void *)ue, sizeof *ue, uio);
}
usb_free_event(ue);
#ifdef COMPAT_30
@ -633,6 +633,8 @@ usbioctl(dev_t devt, u_long cmd, void *data, int flag, struct lwp *l)
error = EIO;
goto ret;
}
if (len > ur->ucr_actlen)
len = ur->ucr_actlen;
if (len != 0) {
if (uio.uio_rw == UIO_READ) {
error = uiomove(ptr, len, &uio);