namei: fold path_cleanup() into terminate_walk()

they are always called next to each other; moreover,
terminate_walk() is more symmetrical that way.

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

diff --git a/fs/namei.c b/fs/namei.c
index 484b73c..14aaf00 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -584,6 +584,10 @@ static void terminate_walk(struct nameidata *nd)
                path_put(&nd->path);
                for (i = 0; i < nd->depth; i++)
                        path_put(&nd->stack[i].link);
+               if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT)) {
+                       path_put(&nd->root);
+                       nd->root.mnt = NULL;
+               }
        } else {
                nd->flags &= ~LOOKUP_RCU;
                if (!(nd->flags & LOOKUP_ROOT))
@@ -2051,14 +2055,6 @@ static const char *path_init(int dfd, const struct filename *name,
        return ERR_PTR(-ECHILD);
 }
 
-static void path_cleanup(struct nameidata *nd)
-{
-       if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT)) {
-               path_put(&nd->root);
-               nd->root.mnt = NULL;
-       }
-}
-
 static const char *trailing_symlink(struct nameidata *nd)
 {
        const char *s;
@@ -2114,7 +2110,6 @@ static int path_lookupat(int dfd, const struct filename *name, unsigned flags,
                nd->path.dentry = NULL;
        }
        terminate_walk(nd);
-       path_cleanup(nd);
        return err;
 }
 
@@ -2162,7 +2157,6 @@ static int path_parentat(int dfd, const struct filename *name,
                nd->path.dentry = NULL;
        }
        terminate_walk(nd);
-       path_cleanup(nd);
        return err;
 }
 
@@ -2446,7 +2440,6 @@ path_mountpoint(int dfd, const struct filename *name, struct path *path,
                }
        }
        terminate_walk(nd);
-       path_cleanup(nd);
        return err;
 }
 
@@ -3318,7 +3311,6 @@ static struct file *path_openat(int dfd, struct filename *pathname,
                }
        }
        terminate_walk(nd);
-       path_cleanup(nd);
 out2:
        if (!(opened & FILE_OPENED)) {
                BUG_ON(!error);