--- zzzz-none-000/linux-4.4.271/drivers/net/ethernet/intel/igb/igb_main.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/net/ethernet/intel/igb/igb_main.c	2023-04-19 10:22:29.000000000 +0000
@@ -1033,6 +1033,12 @@
 	if (!q_vector)
 		return;
 
+	/* Coming from igb_set_interrupt_capability, the vectors are not yet
+	 * allocated. So, q_vector is NULL so we should stop here.
+	 */
+	if (!q_vector)
+		return;
+
 	if (q_vector->tx.ring)
 		adapter->tx_ring[q_vector->tx.ring->queue_index] = NULL;