summaryrefslogtreecommitdiffstats
path: root/fs/ceph/dir.c
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2011-03-10 09:44:05 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2011-03-10 09:44:05 +0100
commit0eb980e31770cfeff6e27760b4692d595b8dbf28 (patch)
tree62ce6d994beb41f1276169de643ebc9e343daeaa /fs/ceph/dir.c
parentreiserfs xattr ->d_revalidate() shouldn't care about RCU (diff)
downloadlinux-0eb980e31770cfeff6e27760b4692d595b8dbf28.tar.xz
linux-0eb980e31770cfeff6e27760b4692d595b8dbf28.zip
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 '')
-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;