From cf4ce59b3b70238352c7f1729f0f7223214828ad Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 20 Sep 2024 01:46:19 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux add concurrent mode

---
 kernel/net/smc/smc_cdc.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/net/smc/smc_cdc.c b/kernel/net/smc/smc_cdc.c
index 94503f3..9125d28 100644
--- a/kernel/net/smc/smc_cdc.c
+++ b/kernel/net/smc/smc_cdc.c
@@ -104,6 +104,9 @@
 	union smc_host_cursor cfed;
 	int rc;
 
+	if (unlikely(!READ_ONCE(conn->sndbuf_desc)))
+		return -ENOBUFS;
+
 	smc_cdc_add_pending_send(conn, pend);
 
 	conn->tx_cdc_seq++;

--
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