From: David Howells <dhowells@redhat.com>
Date: Wed, 7 Sep 2022 18:17:29 +0000 (+0100)
Subject: rxrpc: Fix ack.bufferSize to be 0 when generating an ack
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=55e822212e7857ddefa97809f9ef06c29483bcd7;p=linux.git

rxrpc: Fix ack.bufferSize to be 0 when generating an ack

[ Upstream commit 8889a711f9b4dcf4dd1330fa493081beebd118c9 ]

ack.bufferSize should be set to 0 when generating an ack.

Fixes: 8d94aa381dab ("rxrpc: Calls shouldn't hold socket refs")
Reported-by: Jeffrey Altman <jaltman@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 9683617db7049..08c117bc083ec 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -93,7 +93,7 @@ static size_t rxrpc_fill_out_ack(struct rxrpc_connection *conn,
 	*_hard_ack = hard_ack;
 	*_top = top;
 
-	pkt->ack.bufferSpace	= htons(8);
+	pkt->ack.bufferSpace	= htons(0);
 	pkt->ack.maxSkew	= htons(0);
 	pkt->ack.firstPacket	= htonl(hard_ack + 1);
 	pkt->ack.previousPacket	= htonl(call->ackr_highest_seq);