diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 43c3915ed3529ca2ef0b433634b98cebc5f17328..188b0dee542cd478bb055b1114cc2ac8a403426e 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -1513,13 +1513,14 @@ static void iwl_pcie_set_interrupt_capa(struct pci_dev *pdev,
 					struct iwl_trans *trans)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-	int max_irqs, num_irqs, i, ret;
+	int max_irqs, num_irqs, i, ret, nr_online_cpus;
 	u16 pci_cmd;
 
 	if (!trans->cfg->mq_rx_supported)
 		goto enable_msi;
 
-	max_irqs = min_t(u32, num_possible_cpus() + 2, IWL_MAX_RX_HW_QUEUES);
+	nr_online_cpus = num_online_cpus();
+	max_irqs = min_t(u32, nr_online_cpus + 2, IWL_MAX_RX_HW_QUEUES);
 	for (i = 0; i < max_irqs; i++)
 		trans_pcie->msix_entries[i].entry = i;
 
@@ -1545,11 +1546,11 @@ static void iwl_pcie_set_interrupt_capa(struct pci_dev *pdev,
 	 * Two interrupts less: non rx causes shared with FBQ and RSS.
 	 * More than two interrupts: we will use fewer RSS queues.
 	 */
-	if (num_irqs <= num_online_cpus()) {
+	if (num_irqs <= nr_online_cpus) {
 		trans_pcie->trans->num_rx_queues = num_irqs + 1;
 		trans_pcie->shared_vec_mask = IWL_SHARED_IRQ_NON_RX |
 			IWL_SHARED_IRQ_FIRST_RSS;
-	} else if (num_irqs == num_online_cpus() + 1) {
+	} else if (num_irqs == nr_online_cpus + 1) {
 		trans_pcie->trans->num_rx_queues = num_irqs;
 		trans_pcie->shared_vec_mask = IWL_SHARED_IRQ_NON_RX;
 	} else {