[PATCH] nvidiafb: Honor the return value of pci_enable_device

[cascardo/linux.git] / drivers / video / nvidia / nvidia.c

diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index d4f8501..731edf7 100644 (file)
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -950,24 +950,25 @@ static struct fb_ops nvidia_fb_ops = {
 };
 
 #ifdef CONFIG_PM
-static int nvidiafb_suspend(struct pci_dev *dev, pm_message_t state)
+static int nvidiafb_suspend(struct pci_dev *dev, pm_message_t mesg)
 {
        struct fb_info *info = pci_get_drvdata(dev);
        struct nvidia_par *par = info->par;
 
+       if (mesg.event == PM_EVENT_PRETHAW)
+               mesg.event = PM_EVENT_FREEZE;
        acquire_console_sem();
-       par->pm_state = state.event;
+       par->pm_state = mesg.event;
 
-       if (state.event == PM_EVENT_FREEZE) {
-               dev->dev.power.power_state = state;
-       } else {
+       if (mesg.event == PM_EVENT_SUSPEND) {
                fb_set_suspend(info, 1);
                nvidiafb_blank(FB_BLANK_POWERDOWN, info);
                nvidia_write_regs(par, &par->SavedReg);
                pci_save_state(dev);
                pci_disable_device(dev);
-               pci_set_power_state(dev, pci_choose_state(dev, state));
+               pci_set_power_state(dev, pci_choose_state(dev, mesg));
        }
+       dev->dev.power.power_state = mesg;
 
        release_console_sem();
        return 0;
@@ -983,7 +984,10 @@ static int nvidiafb_resume(struct pci_dev *dev)
 
        if (par->pm_state != PM_EVENT_FREEZE) {
                pci_restore_state(dev);
-               pci_enable_device(dev);
+
+               if (pci_enable_device(dev))
+                       goto fail;
+
                pci_set_master(dev);
        }
 
@@ -992,6 +996,7 @@ static int nvidiafb_resume(struct pci_dev *dev)
        fb_set_suspend (info, 0);
        nvidiafb_blank(FB_BLANK_UNBLANK, info);
 
+fail:
        release_console_sem();
        return 0;
 }