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-rw-r--r--src/vcl/vcl_private.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vcl/vcl_private.c b/src/vcl/vcl_private.c
index 059acdf97eb..4af79e9ebb0 100644
--- a/src/vcl/vcl_private.c
+++ b/src/vcl/vcl_private.c
@@ -341,7 +341,8 @@ vcl_session_read_ready (vcl_session_t * s)
if (ph.data_length + SESSION_CONN_HDR_LEN > max_deq)
return 0;
- return ph.data_length;
+ /* Allow zero legth datagrams */
+ return ph.data_length ? ph.data_length : 1;
}
return svm_fifo_max_dequeue_cons (s->rx_fifo);