Commit 0eb980e3 authored by Al Viro's avatar Al Viro

ceph: fix d_revalidate oopsen on NFS exports

can't blindly check nd->flags in ->d_revalidate()
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c78f4cc5
...@@ -993,7 +993,7 @@ static int ceph_d_revalidate(struct dentry *dentry, struct nameidata *nd) ...@@ -993,7 +993,7 @@ static int ceph_d_revalidate(struct dentry *dentry, struct nameidata *nd)
{ {
struct inode *dir; struct inode *dir;
if (nd->flags & LOOKUP_RCU) if (nd && nd->flags & LOOKUP_RCU)
return -ECHILD; return -ECHILD;
dir = dentry->d_parent->d_inode; dir = dentry->d_parent->d_inode;
......
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