clcsock can be released while kernel_accept() references it in TCP
listen worker. Also, clcsock needs to wake up before released if TCP
fallback is used and the clcsock is blocked by accept. Add a lock to
safely release clcsock and call kernel_sock_shutdown() to wake up
clcsock from accept in smc_r
From: Myungho Jung
Date: Tue, 18 Dec 2018 09:02:25 -0800
> clcsock can be released while kernel_accept() references it in TCP
> listen worker. Also, clcsock needs to wake up before released if TCP
> fallback is used and the clcsock is blocked by accept. Add a lock to
> safely release clcsock and
clcsock can be released while kernel_accept() references it in TCP
listen worker. Also, clcsock needs to wake up before released if TCP
fallback is used and the clcsock is blocked by accept. Add a lock to
safely release clcsock and call kernel_sock_shutdown() to wake up
clcsock from accept in smc_r
