diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 9ee4ca0ba8d37042b0cace64a1735c63daf21276..95c2ab1ec74cbbe8d2fa5a7d24591eddefcfe031 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -2348,6 +2348,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
 	trans_pcie->trans = trans;
 	spin_lock_init(&trans_pcie->irq_lock);
 	spin_lock_init(&trans_pcie->reg_lock);
+	spin_lock_init(&trans_pcie->ref_lock);
 	init_waitqueue_head(&trans_pcie->ucode_write_waitq);
 
 	err = pci_enable_device(pdev);