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Commit 93c62c45 authored by David Howells's avatar David Howells Committed by David S. Miller
Browse files

rxrpc: Fix send in rxrpc_send_data_packet() 



All the kernel_sendmsg() calls in rxrpc_send_data_packet() need to send
both parts of the iov[] buffer, but one of them does not.  Fix it so that
it does.

Without this, short IPv6 rxrpc DATA packets may be seen that have the rxrpc
header included, but no payload.

Fixes: 5a924b89 ("rxrpc: Don't store the rxrpc header in the Tx queue sk_buffs")
Reported-by: default avatarMarc Dionne <marc.dionne@auristor.com>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 370c1052

net/rxrpc/output.c

+1 −1
Original line number Diff line number Diff line
@@ -445,7 +445,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb, 
					(char *)&opt, sizeof(opt));

		if (ret == 0) {

			ret = kernel_sendmsg(conn->params.local->socket, &msg,

					     iov, 1, iov[0].iov_len);

					     iov, 2, len);



			opt = IPV6_PMTUDISC_DO;

			kernel_setsockopt(conn->params.local->socket,