[PATCH net-next 02/35] rxrpc: Fix call leak

From: David Howells
Date: Wed Nov 30 2022 - 11:56:15 EST


When retransmitting a packet, rxrpc_resend() shouldn't be attaching a ref
to the call to the txbuf as that pins the call and prevents the call from
clearing the packet buffer.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
Fixes: d57a3a151660 ("rxrpc: Save last ACK's SACK table rather than marking txbufs")
cc: Marc Dionne <marc.dionne@xxxxxxxxxxxx>
cc: linux-afs@xxxxxxxxxxxxxxxxxxx
---

net/rxrpc/call_event.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index 1e21a708390e..349f3df569ba 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -198,7 +198,6 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)

if (list_empty(&txb->tx_link)) {
rxrpc_get_txbuf(txb, rxrpc_txbuf_get_retrans);
- rxrpc_get_call(call, rxrpc_call_got_tx);
list_add_tail(&txb->tx_link, &retrans_queue);
set_bit(RXRPC_TXBUF_RESENT, &txb->flags);
}