iwlwifi: check return value of pci_enable_device

pci_enable_device is tagged with __must_check therefore
don't ignore the return value in pci_resume handlers

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -3767,9 +3767,12 @@ static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 static int iwl_pci_resume(struct pci_dev *pdev)
 {
 	struct iwl_priv *priv = pci_get_drvdata(pdev);
+	int ret;
 
 	pci_set_power_state(pdev, PCI_D0);
-	pci_enable_device(pdev);
+	ret = pci_enable_device(pdev);
+	if (ret)
+		return ret;
 	pci_restore_state(pdev);
 	iwl_enable_interrupts(priv);
 

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -5824,9 +5824,12 @@ static int iwl3945_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 static int iwl3945_pci_resume(struct pci_dev *pdev)
 {
 	struct iwl_priv *priv = pci_get_drvdata(pdev);
+	int ret;
 
 	pci_set_power_state(pdev, PCI_D0);
-	pci_enable_device(pdev);
+	ret = pci_enable_device(pdev);
+	if (ret)
+		return ret;
 	pci_restore_state(pdev);
 
 	if (priv->is_open)