[PATCH 4/5] fixing errors handling during pci_driver resume stage [misc]

[Dmitriy Monakhov]

pci drivers have to return correct error code during resume stage in
case of errors.
Signed-off-by: Dmitriy Monakhov <[EMAIL PROTECTED]>
-----

diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index ff80937..a426905 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -394,10 +394,16 @@ static int sc1200_suspend (struct pci_de
 static int sc1200_resume (struct pci_dev *dev)
 {
        ide_hwif_t      *hwif = NULL;
+       int err;
 
        pci_set_power_state(dev, PCI_D0);       // bring chip back from sleep 
state
        dev->current_state = PM_EVENT_ON;
-       pci_enable_device(dev);
+       err = pci_enable_device(dev);
+       if (err) {
+               dev_err(&dev->dev, "Cannot enable PCI device, aborting.\n");
+               return err;
+       }
+
        //
        // loop over all interfaces that are part of this pci device:
        //
diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c
index 2ab7add..d659ad9 100644
--- a/drivers/misc/tifm_7xx1.c
+++ b/drivers/misc/tifm_7xx1.c
@@ -274,10 +274,15 @@ static int tifm_7xx1_suspend(struct pci_
 static int tifm_7xx1_resume(struct pci_dev *dev)
 {
        struct tifm_adapter *fm = pci_get_drvdata(dev);
-       unsigned long flags;
+       unsigned long flags, err;
 
        pci_restore_state(dev);
-        pci_enable_device(dev);
+       err = pci_enable_device(dev);
+       if (err) {
+               dev_err(&dev->dev, "Cannot enable PCI device, aborting.\n");
+               return err;
+       }
+
         pci_set_power_state(dev, PCI_D0);
         pci_set_master(dev);
 
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index c2d13d7..736f74c 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -1109,7 +1109,11 @@ static int sdhci_resume (struct pci_dev
 
        pci_set_power_state(pdev, PCI_D0);
        pci_restore_state(pdev);
-       pci_enable_device(pdev);
+       ret = pci_enable_device(pdev);
+       if (ret) {
+               dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
+               return ret;
+       }
 
        for (i = 0;i < chip->num_slots;i++) {
                if (!chip->hosts[i])
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index 1fd97f7..4428ffa 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -199,7 +199,8 @@ superio_init(struct pci_dev *pcidev)
        pci_write_config_word (pdev, PCI_COMMAND, word);
 
        pci_set_master (pdev);
-       pci_enable_device(pdev);
+       if (pci_enable_device(pdev))
+               return;
 
        /*
         * Next project is programming the onboard interrupt controllers.
@@ -275,6 +276,7 @@ superio_init(struct pci_dev *pcidev)
                        SUPERIO, (void *)sio)) {
 
                printk(KERN_ERR PFX "could not get irq\n");
+               pci_disable_device(pdev);
                BUG();
                return;
        }