pull more into do_last()

Handling of LAST_DOT/LAST_ROOT/LAST_DOTDOT/terminating slash
can be pulled in as well

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

diff --git a/fs/namei.c b/fs/namei.c
index 84f1ec3..52517e0 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1656,6 +1656,10 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
 
        *is_link = 0;
 
+       error = -EISDIR;
+       if (nd->last_type != LAST_NORM || nd->last.name[nd->last.len])
+               goto exit;
+
        mutex_lock(&dir->d_inode->i_mutex);
 
        path->dentry = lookup_hash(nd);
@@ -1826,13 +1830,8 @@ reval:
                audit_inode(pathname, nd.path.dentry);
 
        /*
-        * We have the parent and last component. First of all, check
-        * that we are not asked to creat(2) an obvious directory - that
-        * will not do.
+        * We have the parent and last component.
         */
-       error = -EISDIR;
-       if (nd.last_type != LAST_NORM || nd.last.name[nd.last.len])
-               goto exit_parent;
 
        error = -ENFILE;
        filp = get_empty_filp();
@@ -1908,16 +1907,10 @@ do_link:
        nd.flags &= ~LOOKUP_PARENT;
        if (nd.last_type == LAST_BIND)
                goto ok;
-       error = -EISDIR;
-       if (nd.last_type != LAST_NORM)
-               goto exit;
-       if (nd.last.name[nd.last.len]) {
-               __putname(nd.last.name);
-               goto exit;
-       }
        filp = do_last(&nd, &path, open_flag, flag, acc_mode, mode,
                       pathname, &is_link);
-       __putname(nd.last.name);
+       if (nd.last_type == LAST_NORM)
+               __putname(nd.last.name);
        if (is_link)
                goto do_link;
        if (nd.root.mnt)