[PATCH 2/4] sunrpc: 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>
---
 net/sunrpc/rpc_pipe.c |   16 +++++++---------
 1 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 9b9ea50..b67cb54 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -451,21 +451,19 @@ void rpc_put_mount(void)
 static int
 rpc_lookup_parent(char *path, struct nameidata *nd)
 {
+	struct vfsmount *mnt;
+
 	if (path[0] == '\0')
 		return -ENOENT;
-	nd->mnt = rpc_get_mount();
-	if (IS_ERR(nd->mnt)) {
+
+	mnt = rpc_get_mount();
+	if (IS_ERR(mnt)) {
 		printk(KERN_WARNING "%s: %s failed to mount "
 			       "pseudofilesystem \n", __FILE__, __FUNCTION__);
-		return PTR_ERR(nd->mnt);
+		return PTR_ERR(mnt);
 	}
-	mntget(nd->mnt);
-	nd->dentry = dget(rpc_mount->mnt_root);
-	nd->last_type = LAST_ROOT;
-	nd->flags = LOOKUP_PARENT;
-	nd->depth = 0;
 
-	if (path_walk(path, nd)) {
+	if (path_component_lookup(rpc_mount->mnt_root, mnt, path, LOOKUP_PARENT, nd)) {
 		printk(KERN_WARNING "%s: %s failed to find path %s\n",
 				__FILE__, __FUNCTION__, path);
 		rpc_put_mount();
-- 
1.5.0.3.1043.g4342

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