Author: kib
Date: Sat Nov 19 07:41:37 2011
New Revision: 227696
URL: http://svn.freebsd.org/changeset/base/227696
Log:
Do not use NULLVPTOLOWERVP() in the null_print(). If diagnostic is compiled
in, and show vnode is used from ddb on the faulty nullfs vnode, we get
panic instead of vnode dump.
MFC after: 1 week
Modified:
head/sys/fs/nullfs/null_vnops.c
Modified: head/sys/fs/nullfs/null_vnops.c
==============================================================================
--- head/sys/fs/nullfs/null_vnops.c Sat Nov 19 07:40:13 2011
(r227695)
+++ head/sys/fs/nullfs/null_vnops.c Sat Nov 19 07:41:37 2011
(r227696)
@@ -729,7 +729,7 @@ null_print(struct vop_print_args *ap)
{
struct vnode *vp = ap->a_vp;
- printf("\tvp=%p, lowervp=%p\n", vp, NULLVPTOLOWERVP(vp));
+ printf("\tvp=%p, lowervp=%p\n", vp, VTONULL(vp)->null_lowervp);
return (0);
}
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