From: Alex Hornung <ahornung@gmail.com>
Date: Wed, 31 Mar 2010 19:12:08 +0000 (+0000)
Subject: devfs - remove obsolete KKASSERT
X-Git-Tag: v2.7.1~37^2~16
X-Git-Url: http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/f837f208c000c1b68e18726a2d8e20fb87b43b0a

devfs - remove obsolete KKASSERT

* remove an obsolete KKASSERT checking namlen in allocp, as one was able
  to trigger it from userland by adding a sufficiently large link rule.

Reported-by: Sascha Wildner
---

diff --git a/sys/vfs/devfs/devfs_core.c b/sys/vfs/devfs/devfs_core.c
index 9938826..9b2d718 100644
--- a/sys/vfs/devfs/devfs_core.c
+++ b/sys/vfs/devfs/devfs_core.c
@@ -247,7 +247,6 @@ devfs_allocp(devfs_nodetype devfsnodetype, char *name,
 	node->node_type = devfsnodetype;
 
 	/* Initialize the dirent structure of each devfs vnode */
-	KKASSERT(namlen < 256);
 	node->d_dir.d_namlen = namlen;
 	node->d_dir.d_name = kmalloc(namlen+1, M_DEVFS, M_WAITOK);
 	memcpy(node->d_dir.d_name, name, namlen);