net/smc: reduce sock_put() for fallback sockets
[linux-2.6-microblaze.git] / net / smc / af_smc.c
index e017b6a..5334157 100644 (file)
@@ -147,7 +147,8 @@ static int smc_release(struct socket *sock)
                smc->clcsock = NULL;
        }
        if (smc->use_fallback) {
-               sock_put(sk); /* passive closing */
+               if (sk->sk_state != SMC_LISTEN && sk->sk_state != SMC_INIT)
+                       sock_put(sk); /* passive closing */
                sk->sk_state = SMC_CLOSED;
                sk->sk_state_change(sk);
        }
@@ -417,12 +418,18 @@ static int smc_connect_decline_fallback(struct smc_sock *smc, int reason_code)
 {
        int rc;
 
-       if (reason_code < 0) /* error, fallback is not possible */
+       if (reason_code < 0) { /* error, fallback is not possible */
+               if (smc->sk.sk_state == SMC_INIT)
+                       sock_put(&smc->sk); /* passive closing */
                return reason_code;
+       }
        if (reason_code != SMC_CLC_DECL_REPLY) {
                rc = smc_clc_send_decline(smc, reason_code);
-               if (rc < 0)
+               if (rc < 0) {
+                       if (smc->sk.sk_state == SMC_INIT)
+                               sock_put(&smc->sk); /* passive closing */
                        return rc;
+               }
        }
        return smc_connect_fallback(smc);
 }
@@ -435,8 +442,6 @@ static int smc_connect_abort(struct smc_sock *smc, int reason_code,
                smc_lgr_forget(smc->conn.lgr);
        mutex_unlock(&smc_create_lgr_pending);
        smc_conn_free(&smc->conn);
-       if (reason_code < 0 && smc->sk.sk_state == SMC_INIT)
-               sock_put(&smc->sk); /* passive closing */
        return reason_code;
 }