net/smc: no link delete for a never active link

If a link is terminated that has never reached the active state,
there is no need to trigger an LLC DELETE LINK.

Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 4812ca3..ec7a7ed 100644 (file)
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -173,8 +173,11 @@ free:
        spin_unlock_bh(&smc_lgr_list.lock);
 
        if (!lgr->is_smcd && !lgr->terminating) {
+               struct smc_link *lnk = &lgr->lnk[SMC_SINGLE_LINK];
+
                /* try to send del link msg, on error free lgr immediately */
-               if (!smc_link_send_delete(&lgr->lnk[SMC_SINGLE_LINK])) {
+               if (lnk->state == SMC_LNK_ACTIVE &&
+                   !smc_link_send_delete(lnk)) {
                        /* reschedule in case we never receive a response */
                        smc_lgr_schedule_free_work(lgr);
                        return;