[PATCH net-next 06/10] net/smc: reduce smc_listen_decline() calls

[Karsten Graul]

From: Ursula Braun <ubr...@linux.ibm.com>

smc_listen_work() contains already an smc_listen_decline() exit.
Use this exit for smc_listen_rdma_finish() problems as well.

Signed-off-by: Ursula Braun <ubr...@linux.ibm.com>
Signed-off-by: Karsten Graul <kgr...@linux.ibm.com>
---
 net/smc/af_smc.c | 22 ++++++----------------
 1 file changed, 6 insertions(+), 16 deletions(-)

diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index f27a596b2624..9f3e148c60c5 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1233,27 +1233,17 @@ static int smc_listen_rdma_finish(struct smc_sock 
*new_smc,
        if (local_first)
                smc_link_save_peer_info(link, cclc);
 
-       if (smc_rmb_rtoken_handling(&new_smc->conn, link, cclc)) {
-               reason_code = SMC_CLC_DECL_ERR_RTOK;
-               goto decline;
-       }
+       if (smc_rmb_rtoken_handling(&new_smc->conn, link, cclc))
+               return SMC_CLC_DECL_ERR_RTOK;
 
        if (local_first) {
-               if (smc_ib_ready_link(link)) {
-                       reason_code = SMC_CLC_DECL_ERR_RDYLNK;
-                       goto decline;
-               }
+               if (smc_ib_ready_link(link))
+                       return SMC_CLC_DECL_ERR_RDYLNK;
                /* QP confirmation over RoCE fabric */
                smc_llc_flow_initiate(link->lgr, SMC_LLC_FLOW_ADD_LINK);
                reason_code = smcr_serv_conf_first_link(new_smc);
                smc_llc_flow_stop(link->lgr, &link->lgr->llc_flow_lcl);
-               if (reason_code)
-                       goto decline;
        }
-       return 0;
-
-decline:
-       smc_listen_decline(new_smc, reason_code, local_first);
        return reason_code;
 }
 
@@ -1382,9 +1372,9 @@ static void smc_listen_work(struct work_struct *work)
        if (!ism_supported) {
                rc = smc_listen_rdma_finish(new_smc, &cclc,
                                            ini.first_contact_local);
-               mutex_unlock(&smc_server_lgr_pending);
                if (rc)
-                       return;
+                       goto out_unlock;
+               mutex_unlock(&smc_server_lgr_pending);
        }
        smc_conn_save_peer_info(new_smc, &cclc);
        smc_listen_out_connected(new_smc);
-- 
2.17.1