[PATCH] e100: Handle the return values from pci_* functions

e100: Handle the return values from pci_* functions

This is to resolve warnings during compile time.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 23 insertions, 7 deletions

diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 67b99353acfe..394fb019c4f4 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2665,7 +2665,9 @@ static int __devinit e100_probe(struct pci_dev *pdev,
                 nic->flags |= wol_magic;
 
         /* ack any pending wake events, disable PME */
-        pci_enable_wake(pdev, 0, 0);
+        err = pci_enable_wake(pdev, 0, 0);
+        if (err)
+                DPRINTK(PROBE, ERR, "Error clearing wake event\n");
 
         strcpy(netdev->name, "eth%d");
         if((err = register_netdev(netdev))) {
@@ -2716,6 +2718,7 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
 {
         struct net_device *netdev = pci_get_drvdata(pdev);
         struct nic *nic = netdev_priv(netdev);
+        int retval;
 
         if(netif_running(netdev))
                 e100_down(nic);
@@ -2723,9 +2726,14 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
         netif_device_detach(netdev);
 
         pci_save_state(pdev);
-        pci_enable_wake(pdev, pci_choose_state(pdev, state), nic->flags & (wol_magic | e100_asf(nic)));
+        retval = pci_enable_wake(pdev, pci_choose_state(pdev, state),
+                                 nic->flags & (wol_magic | e100_asf(nic)));
+        if (retval)
+                DPRINTK(PROBE,ERR, "Error enabling wake\n");
         pci_disable_device(pdev);
-        pci_set_power_state(pdev, pci_choose_state(pdev, state));
+        retval = pci_set_power_state(pdev, pci_choose_state(pdev, state));
+        if (retval)
+                DPRINTK(PROBE,ERR, "Error %d setting power state\n", retval);
 
         return 0;
 }
@@ -2734,11 +2742,16 @@ static int e100_resume(struct pci_dev *pdev)
 {
         struct net_device *netdev = pci_get_drvdata(pdev);
         struct nic *nic = netdev_priv(netdev);
+        int retval;
 
-        pci_set_power_state(pdev, PCI_D0);
+        retval = pci_set_power_state(pdev, PCI_D0);
+        if (retval)
+                DPRINTK(PROBE,ERR, "Error waking adapter\n");
         pci_restore_state(pdev);
         /* ack any pending wake events, disable PME */
-        pci_enable_wake(pdev, 0, 0);
+        retval = pci_enable_wake(pdev, 0, 0);
+        if (retval)
+                DPRINTK(PROBE,ERR, "Error clearing wake events\n");
         if(e100_hw_init(nic))
                 DPRINTK(HW, ERR, "e100_hw_init failed\n");
 
@@ -2755,12 +2768,15 @@ static void e100_shutdown(struct pci_dev *pdev)
 {
         struct net_device *netdev = pci_get_drvdata(pdev);
         struct nic *nic = netdev_priv(netdev);
+        int retval;
 
 #ifdef CONFIG_PM
-        pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
+        retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
 #else
-        pci_enable_wake(pdev, 0, nic->flags & (wol_magic));
+        retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic));
 #endif
+        if (retval)
+                DPRINTK(PROBE,ERR, "Error enabling wake\n");
 }