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>

parent c78f4cc5

fs/ceph/dir.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;