From 0eb980e31770cfeff6e27760b4692d595b8dbf28 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 10 Mar 2011 03:44:05 -0500 Subject: [PATCH] ceph: fix d_revalidate oopsen on NFS exports can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro --- fs/ceph/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 099a58615b90..ebafa65a29b6 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -993,7 +993,7 @@ static int ceph_d_revalidate(struct dentry *dentry, struct nameidata *nd) { struct inode *dir; - if (nd->flags & LOOKUP_RCU) + if (nd && nd->flags & LOOKUP_RCU) return -ECHILD; dir = dentry->d_parent->d_inode; -- 2.39.5