From: Ken-ichirou MATSUZAWA <chamaken@gmail.com>
To: netdev@vger.kernel.org
Subject: [RFC PATCH 4/5] netlink: mmap: update tx type check
Date: Wed, 22 Jul 2015 22:22:30 +0900 [thread overview]
Message-ID: <20150722132230.GE18037@gmail.com> (raw)
We need to accept msg_iter.type 1(WRITE) which is set in sendto/sendmsg.
Signed-off-by: Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp>
---
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 -----
reply other threads:[~2015-07-22 13:22 UTC|newest]
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