pinctrl: fix restart of controller when bfd min_tx is too low.

Avoid the number zero to be divisor. Signed-off-by: wangchuanlei <wangchuanlei@inspur.com> Acked-by: Ales Musil <amusil@redhat.com> Signed-off-by: Mark Michelson <mmichels@redhat.com>
ovn-org · May 2, 2023 · fc98cc1 · fc98cc1
1 parent 89b7fe1
commit fc98cc1
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/controller/pinctrl.c b/controller/pinctrl.c
@@ -6999,7 +6999,9 @@ bfd_monitor_send_msg(struct rconn *swconn, long long int *bfd_time)
         pinctrl_send_bfd_tx_msg(swconn, entry, false);
 
         tx_timeout = MAX(entry->local_min_tx, entry->remote_min_rx);
-        tx_timeout -= random_range((tx_timeout * 25) / 100);
+        if (tx_timeout >= 4) {
+            tx_timeout -= random_range(tx_timeout / 4);
+        }
         entry->next_tx = cur_time + tx_timeout;
 next:
         if (*bfd_time > entry->next_tx) {