vcl: touch fifo on epoll del only if session open

[vpp.git] / src / vcl / vppcom.c

diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 0c6f6e6..330d590 100644 (file)
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -2878,9 +2878,12 @@ vppcom_epoll_ctl (uint32_t vep_handle, int op, uint32_t session_handle,
       s->vep.vep_sh = ~0;
       s->flags &= ~VCL_SESSION_F_IS_VEP_SESSION;
 
-      txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo;
-      if (txf)
-       svm_fifo_del_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL);
+      if (vcl_session_is_open (s))
+       {
+         txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo;
+         if (txf)
+           svm_fifo_del_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL);
+       }
 
       VDBG (1, "EPOLL_CTL_DEL: vep_idx %u, sh %u!", vep_handle,
            session_handle);