[PATCH] v4l: some error treatment implemented at resume functions.
Mauro Carvalho Chehab [Fri, 9 Sep 2005 20:03:55 +0000 (13:03 -0700)]
- Some error treatment implemented at resume functions.

Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/media/video/bttv-driver.c
drivers/media/video/cx88/cx88-mpeg.c
drivers/media/video/cx88/cx88-video.c

index 53ecdbf..b35c586 100644 (file)
@@ -4111,15 +4111,29 @@ static int bttv_resume(struct pci_dev *pci_dev)
 {
         struct bttv *btv = pci_get_drvdata(pci_dev);
        unsigned long flags;
+       int err;
 
        dprintk("bttv%d: resume\n", btv->c.nr);
 
        /* restore pci state */
        if (btv->state.disabled) {
-               pci_enable_device(pci_dev);
+               err=pci_enable_device(pci_dev);
+               if (err) {
+                       printk(KERN_WARNING "bttv%d: Can't enable device.\n",
+                                                               btv->c.nr);
+                       return err;
+               }
                btv->state.disabled = 0;
        }
-       pci_set_power_state(pci_dev, PCI_D0);
+       err=pci_set_power_state(pci_dev, PCI_D0);
+       if (err) {
+               pci_disable_device(pci_dev);
+               printk(KERN_WARNING "bttv%d: Can't enable device.\n",
+                                                       btv->c.nr);
+               btv->state.disabled = 1;
+               return err;
+       }
+
        pci_restore_state(pci_dev);
 
        /* restore bt878 state */
index 6d0d15c..ee2300e 100644 (file)
@@ -455,14 +455,28 @@ int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
 
 int cx8802_resume_common(struct pci_dev *pci_dev)
 {
-        struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
+       struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
        struct cx88_core *core = dev->core;
+       int err;
 
        if (dev->state.disabled) {
-               pci_enable_device(pci_dev);
+               err=pci_enable_device(pci_dev);
+               if (err) {
+                       printk(KERN_ERR "%s: can't enable device\n",
+                                              dev->core->name);
+                       return err;
+               }
                dev->state.disabled = 0;
        }
-       pci_set_power_state(pci_dev, PCI_D0);
+       err=pci_set_power_state(pci_dev, PCI_D0);
+       if (err) {
+               printk(KERN_ERR "%s: can't enable device\n",
+                                              dev->core->name);
+               pci_disable_device(pci_dev);
+               dev->state.disabled = 1;
+
+               return err;
+       }
        pci_restore_state(pci_dev);
 
        /* FIXME: re-initialize hardware */
index 61d4b29..3dbc074 100644 (file)
@@ -2005,12 +2005,28 @@ static int cx8800_resume(struct pci_dev *pci_dev)
 {
        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
        struct cx88_core *core = dev->core;
+       int err;
 
        if (dev->state.disabled) {
-               pci_enable_device(pci_dev);
+               err=pci_enable_device(pci_dev);
+               if (err) {
+                       printk(KERN_ERR "%s: can't enable device\n",
+                                                      core->name);
+                       return err;
+               }
+
                dev->state.disabled = 0;
        }
-       pci_set_power_state(pci_dev, PCI_D0);
+       err= pci_set_power_state(pci_dev, PCI_D0);
+       if (err) {
+               printk(KERN_ERR "%s: can't enable device\n",
+                                      core->name);
+
+               pci_disable_device(pci_dev);
+               dev->state.disabled = 1;
+
+               return err;
+       }
        pci_restore_state(pci_dev);
 
        /* FIXME: re-initialize hardware */