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-rw-r--r--src/vnet/session/session_node.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index 2c91a2fe092..2e21f26ec29 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -472,8 +472,10 @@ session_mq_worker_update_handler (void *data)
evt->event_type = SESSION_CTRL_EVT_WORKER_UPDATE_REPLY;
rmp = (session_worker_update_reply_msg_t *) evt->data;
rmp->handle = mp->handle;
- rmp->rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
- rmp->tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
+ if (s->rx_fifo)
+ rmp->rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
+ if (s->tx_fifo)
+ rmp->tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
rmp->segment_handle = session_segment_handle (s);
svm_msg_q_add_and_unlock (app_wrk->event_queue, msg);