Re: [PATCH net] rxrpc: Fix terminal retransmission connection ID to include the channel
From: David Miller
Date: Wed Jun 06 2018 - 14:04:41 EST
From: David Howells <dhowells@xxxxxxxxxx>
Date: Wed, 06 Jun 2018 14:59:14 +0100
> When retransmitting the final ACK or ABORT packet for a call, the cid field
> in the packet header is set to the connection's cid, but this is incorrect
> as it also needs to include the channel number on that connection that the
> call was made on.
>
> Fix this by OR'ing in the channel number.
>
> Note that this fixes the bug that:
>
> commit 1a025028d400b23477341aa7ec2ce55f8b39b554
> rxrpc: Fix handling of call quietly cancelled out on server
>
> works around. I'm not intending to revert that as it will help protect
> against problems that might occur on the server.
>
> Fixes: 3136ef49a14c ("rxrpc: Delay terminal ACK transmission on a client call")
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
Applid, thanks David.