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authorAl Viro <viro@zeniv.linux.org.uk>2011-03-10 03:44:05 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2011-03-10 03:44:05 -0500
commit0eb980e31770cfeff6e27760b4692d595b8dbf28 (patch)
tree62ce6d994beb41f1276169de643ebc9e343daeaa /fs
parentc78f4cc5e7d642c7009089817c12d8984e7ba872 (diff)
downloadkernel-0eb980e31770cfeff6e27760b4692d595b8dbf28.tar.gz
ceph: fix d_revalidate oopsen on NFS exports
can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r--fs/ceph/dir.c2
1 files changed, 1 insertions, 1 deletions
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;