--- x/net/smc/smc_close.c
+++ y/net/smc/smc_close.c
@@ -28,12 +28,14 @@ void smc_clcsock_release(struct smc_sock
 	if (smc->listen_smc && current_work() != &smc->smc_listen_work)
 		cancel_work_sync(&smc->smc_listen_work);
 	mutex_lock(&smc->clcsock_release_lock);
+	tcp = NULL;
 	if (smc->clcsock) {
 		tcp = smc->clcsock;
 		smc->clcsock = NULL;
-		sock_release(tcp);
 	}
 	mutex_unlock(&smc->clcsock_release_lock);
+	if (tcp)
+		sock_release(tcp);
 }
 
 static void smc_close_cleanup_listen(struct sock *parent)