switch security_path_chmod() to struct path *

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/open.c b/fs/open.c
index 2659f59..77becc0 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -456,7 +456,7 @@
 	if (error)
 		return error;
 	mutex_lock(&inode->i_mutex);
-	error = security_path_chmod(path->dentry, path->mnt, mode);
+	error = security_path_chmod(path, mode);
 	if (error)
 		goto out_unlock;
 	newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);