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authorDavid Howells <dhowells@redhat.com>2024-02-29 16:50:52 +0000
committerDavid Howells <dhowells@redhat.com>2024-03-05 23:35:24 +0000
commita711d976e1cd7a58a51ecf2816e705fd01fe3489 (patch)
treef33c5661ea1d6bedf03418ea1198a03b91d36b12 /net/rxrpc
parent3e0b83ee535d44befddb3f0a6c75a531cf47f869 (diff)
downloadlinux-a711d976e1cd7a58a51ecf2816e705fd01fe3489.tar.gz
rxrpc: Don't permit resending after all Tx packets acked
Once all the packets transmitted as part of a call have been acked, don't permit any resending. Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: "David S. Miller" <davem@davemloft.net> cc: Eric Dumazet <edumazet@google.com> cc: Jakub Kicinski <kuba@kernel.org> cc: Paolo Abeni <pabeni@redhat.com> cc: linux-afs@lists.infradead.org cc: netdev@vger.kernel.org
Diffstat (limited to 'net/rxrpc')
-rw-r--r--net/rxrpc/call_event.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index 58826710322de..ef28ebf37c7d1 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -450,7 +450,9 @@ bool rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb)
rxrpc_send_ACK(call, RXRPC_ACK_PING, 0,
rxrpc_propose_ack_ping_for_lost_ack);
- if (resend && __rxrpc_call_state(call) != RXRPC_CALL_CLIENT_RECV_REPLY)
+ if (resend &&
+ __rxrpc_call_state(call) != RXRPC_CALL_CLIENT_RECV_REPLY &&
+ !test_bit(RXRPC_CALL_TX_ALL_ACKED, &call->flags))
rxrpc_resend(call, NULL);
if (test_and_clear_bit(RXRPC_CALL_RX_IS_IDLE, &call->flags))