switch vfs_path_lookup() to struct path

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 5 insertions, 11 deletions

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ce40e5c568ba..b961ceac66b4 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2773,16 +2773,12 @@ static void nfs_referral_loop_unprotect(void)
 static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
                 const char *export_path)
 {
-        struct nameidata *nd = NULL;
         struct mnt_namespace *ns_private;
         struct super_block *s;
         struct dentry *dentry;
+        struct path path;
         int ret;
 
-        nd = kmalloc(sizeof(*nd), GFP_KERNEL);
-        if (nd == NULL)
-                return ERR_PTR(-ENOMEM);
-
         ns_private = create_mnt_ns(root_mnt);
         ret = PTR_ERR(ns_private);
         if (IS_ERR(ns_private))
@@ -2793,7 +2789,7 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
                 goto out_put_mnt_ns;
 
         ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
-                        export_path, LOOKUP_FOLLOW, nd);
+                        export_path, LOOKUP_FOLLOW, &path);
 
         nfs_referral_loop_unprotect();
         put_mnt_ns(ns_private);
@@ -2801,12 +2797,11 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
         if (ret != 0)
                 goto out_err;
 
-        s = nd->path.mnt->mnt_sb;
+        s = path.mnt->mnt_sb;
         atomic_inc(&s->s_active);
-        dentry = dget(nd->path.dentry);
+        dentry = dget(path.dentry);
 
-        path_put(&nd->path);
-        kfree(nd);
+        path_put(&path);
         down_write(&s->s_umount);
         return dentry;
 out_put_mnt_ns:
@@ -2814,7 +2809,6 @@ out_put_mnt_ns:
 out_mntput:
         mntput(root_mnt);
 out_err:
-        kfree(nd);
         return ERR_PTR(ret);
 }