Messages in this thread Patch in this message | | | From | Ursula Braun <> | Subject | [PATCH net 1/1] net/smc: no cursor update send in state SMC_INIT | Date | Fri, 3 Aug 2018 10:38:33 +0200 |
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If a writer blocked condition is received without data, the current consumer cursor is immediately sent. Servers could already receive this condition in state SMC_INIT without finished tx-setup. This patch avoids sending a consumer cursor update in this case.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> --- net/smc/smc_cdc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c index a7e8d63fc8ae..9bde1e4ca288 100644 --- a/net/smc/smc_cdc.c +++ b/net/smc/smc_cdc.c @@ -233,7 +233,8 @@ static void smc_cdc_msg_recv_action(struct smc_sock *smc, /* force immediate tx of current consumer cursor, but * under send_lock to guarantee arrival in seqno-order */ - smc_tx_sndbuf_nonempty(conn); + if (smc->sk.sk_state != SMC_INIT) + smc_tx_sndbuf_nonempty(conn); } } -- 2.16.4
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