nfsctl: use vfs_path_lookup

use vfs_path_lookup instead of open-coding the necessary functionality.

Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
Acked-by: NeilBrown <neilb@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 10 deletions

diff --git a/fs/nfsctl.c b/fs/nfsctl.c
index c043136a82ca..51f1b31acbf6 100644
--- a/fs/nfsctl.c
+++ b/fs/nfsctl.c
@@ -23,19 +23,15 @@
 static struct file *do_open(char *name, int flags)
 {
         struct nameidata nd;
+        struct vfsmount *mnt;
         int error;
 
-        nd.mnt = do_kern_mount("nfsd", 0, "nfsd", NULL);
+        mnt = do_kern_mount("nfsd", 0, "nfsd", NULL);
+        if (IS_ERR(mnt))
+                return (struct file *)mnt;
 
-        if (IS_ERR(nd.mnt))
-                return (struct file *)nd.mnt;
-
-        nd.dentry = dget(nd.mnt->mnt_root);
-        nd.last_type = LAST_ROOT;
-        nd.flags = 0;
-        nd.depth = 0;
-
-        error = path_walk(name, &nd);
+        error = vfs_path_lookup(mnt->mnt_root, mnt, name, 0, &nd);
+        mntput(mnt);    /* drop do_kern_mount reference */
         if (error)
                 return ERR_PTR(error);