From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ken-ichirou MATSUZAWA Subject: [RFC PATCH 4/5] netlink: mmap: update tx type check Date: Wed, 22 Jul 2015 22:22:30 +0900 Message-ID: <20150722132230.GE18037@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: netdev@vger.kernel.org Return-path: Received: from mail-pd0-f176.google.com ([209.85.192.176]:33864 "EHLO mail-pd0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756659AbbGVNWg (ORCPT ); Wed, 22 Jul 2015 09:22:36 -0400 Received: by pdbbh15 with SMTP id bh15so93140671pdb.1 for ; Wed, 22 Jul 2015 06:22:35 -0700 (PDT) Received: from gmail.com (softbank220009032004.bbtec.net. [220.9.32.4]) by smtp.gmail.com with ESMTPSA id pn6sm3395719pdb.72.2015.07.22.06.22.34 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Jul 2015 06:22:34 -0700 (PDT) Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: We need to accept msg_iter.type 1(WRITE) which is set in sendto/sendmsg. Signed-off-by: Ken-ichirou MATSUZAWA --- net/netlink/af_netlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index a6fba4c..7e1610e 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2394,7 +2394,7 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) * sendmsg(), but that's what we've got... */ if (netlink_tx_is_mmaped(sk) && - msg->msg_iter.type == ITER_IOVEC && + !(msg->msg_iter.type & (ITER_KVEC | ITER_BVEC)) && msg->msg_iter.nr_segs == 1 && msg->msg_iter.iov->iov_base == NULL) { err = netlink_mmap_sendmsg(sk, msg, dst_portid, dst_group, -- 1.7.10.4 ----- End forwarded message -----