On Thu, Aug 03, 2023 at 09:24:18PM +0800, Guangguan Wang wrote: ... Hi Guangguan Wang, > @@ -987,12 +991,12 @@ static int smc_clc_send_confirm_accept(struct smc_sock *smc, > { > struct smc_connection *conn = &smc->conn; > struct smc_clc_msg_accept_confirm *clc; > - struct smc_clc_first_contact_ext fce; > + struct smc_clc_first_contact_ext_v2x fce; > struct smc_clc_fce_gid_ext gle; > struct smc_clc_msg_trail trl; > struct kvec vec[5]; > struct msghdr msg; > - int i, len; > + int i, len, fce_len; Please preserve reverse xmas tree - longest line to shortest - for local variable declarations: this is Networking code. https://github.com/ecree-solarflare/xmastree is your friend here. ...