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

Allow querying for root devices in the tree by specifying an empty

Browse Source 
device name. Ensure that l_devname is NUL-terminated and fail otherwise.
OK cube@
This commit is contained in:
joerg 2009-04-04 21:49:05 +00:00
parent 9587268219
commit 3cb902383f
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/kern/kern_drvctl.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_drvctl.c,v 1.23 2009/04/04 10:12:51 ad Exp $ */
/* $NetBSD: kern_drvctl.c,v 1.24 2009/04/04 21:49:05 joerg Exp $ */
/*
* Copyright (c) 2004
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_drvctl.c,v 1.23 2009/04/04 10:12:51 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_drvctl.c,v 1.24 2009/04/04 21:49:05 joerg Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -197,7 +197,11 @@ listdevbyname(struct devlistargs *l)
deviter_t di;
int cnt = 0, idx, error = 0;
if ((d = device_find_by_xname(l->l_devname)) == NULL)
if (*l->l_devname == '\0')
d = (device_t)NULL;
else if (memchr(l->l_devname, 0, sizeof(l->l_devname)) == NULL)
return EINVAL;
else if ((d = device_find_by_xname(l->l_devname)) == NULL)
return ENXIO;
for (child = deviter_first(&di, 0); child != NULL;