i40e: avoid crash if packet received before queue initialized

99c08227 · Antoine Kaufmann · 07757fdc · 99c08227
Commit 99c08227 authored Sep 17, 2020 by Antoine Kaufmann
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i40e_bm/i40e_lan.cc i40e_bm/i40e_lan.cc +3 -0

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--- a/i40e_bm/i40e_lan.cc
+++ b/i40e_bm/i40e_lan.cc
@@ -260,6 +260,9 @@ void lan_queue_rx::packet_received(const void *data, size_t pktlen)
 {
    size_t num_descs = (pktlen + dbuff_size - 1) / dbuff_size;

+    if (!enabled)
+        return;
+
    if (dcache.size() < num_descs) {
 #ifdef DEBUG_LAN
        log << " not enough rx descs (" << num_descs << ", dropping packet" <<