wifi: iwlwifi: pcie: propagate iwl_pcie_gen2_apm_init() error

If iwl_pcie_gen2_apm_init() fails, we should propagate the
error code up, rather than ignoring it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230926110319.883768afe77b.Ic47cb8ce0a0abba3b4745cc2a721217c33360d6c@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c

@@ -230,11 +230,14 @@ static int iwl_pcie_gen2_nic_init(struct iwl_trans *trans)
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	int queue_size = max_t(u32, IWL_CMD_QUEUE_SIZE,
 			       trans->cfg->min_txq_size);
+	int ret;
 
 	/* TODO: most of the logic can be removed in A0 - but not in Z0 */
 	spin_lock_bh(&trans_pcie->irq_lock);
-	iwl_pcie_gen2_apm_init(trans);
+	ret = iwl_pcie_gen2_apm_init(trans);
 	spin_unlock_bh(&trans_pcie->irq_lock);
+	if (ret)
+		return ret;
 
 	iwl_op_mode_nic_config(trans->op_mode);