[PATCH 3/4] nfsctl: Use path_component_lookup

["Josef 'Jeff' Sipek" <jsipek@cs.sunysb.edu>]

use path_component_lookup instead of open-coding the necessary
functionality.

Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
---
 fs/nfsctl.c |   15 +++++----------
 1 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/fs/nfsctl.c b/fs/nfsctl.c
index c043136..2035dc7 100644
--- a/fs/nfsctl.c
+++ b/fs/nfsctl.c
@@ -23,19 +23,14 @@
 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 = path_component_lookup(mnt->mnt_root, mnt, name, 0, &nd);
 	if (error)
 		return ERR_PTR(error);
 
-- 
1.5.0.3.1043.g4342