[PATCH] nfs oops fix

Al's current changes to struct nameidata broke nfsroot for my discless
clients (oops in nfs_fill_super).  The patch below fixes this problem
for me.

Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/nfsctl.c

@@ -32,6 +32,7 @@ static struct file *do_open(char *name, int flags)
 	nd.dentry = dget(nd.mnt->mnt_root);
 	nd.last_type = LAST_ROOT;
 	nd.flags = 0;
+	nd.depth = 0;
 
 	error = path_walk(name, &nd);
 	if (error)

net/sunrpc/rpc_pipe.c

@@ -433,6 +433,7 @@ rpc_lookup_parent(char *path, struct nameidata *nd)
 	nd->dentry = dget(rpc_mount->mnt_root);
 	nd->last_type = LAST_ROOT;
 	nd->flags = LOOKUP_PARENT;
+	nd->depth = 0;
 
 	if (path_walk(path, nd)) {
 		printk(KERN_WARNING "%s: %s failed to find path %s\n",