Commit c032705e authored May 25, 2015 by Lennert Buytenhek Committed by Marcel Holtmann May 26, 2015

ieee802154 socket: Return EMSGSIZE from raw_sendmsg() if packet too big.



The proper return code for trying to send a packet that exceeds the
outgoing interface's MTU is EMSGSIZE, not EINVAL, so patch ieee802154's
raw_sendmsg() to do the right thing.  (Its dgram_sendmsg() was already
returning EMSGSIZE for this case.)

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

parent e34fd879

net/ieee802154/socket.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -284,7 +284,7 @@ static int raw_sendmsg(struct sock sk, struct msghdr msg, size_t size)

		if (size > mtu) {
		pr_debug("size = %Zu, mtu = %u\n", size, mtu);
		err = -EINVAL;
		err = -EMSGSIZE;
		goto out_dev;
		}