Author: jh
Date: Tue Apr 12 16:43:29 2011
New Revision: 220570
URL: http://svn.freebsd.org/changeset/base/220570
Log:
MFC r216391:
Handle the special ruleset 0 in devfs_ruleset_use(). An attempt set the
current ruleset to 0 with command "devfs ruleset 0" triggered a KASSERT
in devfs_ruleset_create().
PR: kern/125030
Modified:
stable/8/sys/fs/devfs/devfs_rule.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
Modified: stable/8/sys/fs/devfs/devfs_rule.c
==============================================================================
--- stable/8/sys/fs/devfs/devfs_rule.c Tue Apr 12 16:01:27 2011
(r220569)
+++ stable/8/sys/fs/devfs/devfs_rule.c Tue Apr 12 16:43:29 2011
(r220570)
@@ -742,6 +742,11 @@ devfs_ruleset_use(devfs_rsnum rsnum, str
devfs_ruleset_reap(cds);
}
+ if (rsnum == 0) {
+ dm->dm_ruleset = 0;
+ return (0);
+ }
+
ds = devfs_ruleset_bynum(rsnum);
if (ds == NULL)
ds = devfs_ruleset_create(rsnum);
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