[PATCH 6.1 0308/1146] rxrpc: Fix ack.bufferSize to be 0 when generating an ack

Greg Kroah-Hartman
2022-12-28T15:39:18Z

From: David Howells <dhowells@redhat.com>

[ 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>
---
net/rxrpc/output.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 9683617db704..08c117bc083e 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);
--
2.35.1