Messages in this thread | | | Date | Mon, 25 Oct 2004 09:37:04 -0400 | From | Brian Gerst <> | Subject | Re: [PATCH] call 'pci_dev_put' after pci_get_device |
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shaohua li wrote: > Hi, > Some code didn't call 'pci_dev_put' after pci_get_device. Below is an > incomplete list. > > Thanks, > Shaohua
If pci_get_device() is passed in a non-NULL dev it internally does a pci_dev_put(). So if you do a complete while loop (ie. no breaks, gotos or returns), pci_dev_put() is unnecessary.
> > Signed-off-by: Li Shaohua <shaoh.li@gmail.com> > > ===== drivers/pci/pci.c 1.73 vs edited ===== > --- 1.73/drivers/pci/pci.c 2004-10-07 00:42:55 +08:00 > +++ edited/drivers/pci/pci.c 2004-10-25 17:30:36 +08:00 > @@ -734,6 +734,7 @@ static int __devinit pci_init(void) > > while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { > pci_fixup_device(pci_fixup_final, dev); > + pci_dev_put(dev); > } > return 0; > } > ===== drivers/pci/quirks.c 1.55 vs edited ===== > --- 1.55/drivers/pci/quirks.c 2004-10-20 00:54:38 +08:00 > +++ edited/drivers/pci/quirks.c 2004-10-25 17:29:48 +08:00 > @@ -38,6 +38,7 @@ static void __devinit quirk_passive_rele > dlc |= 1<<1; > pci_write_config_byte(d, 0x82, dlc); > } > + pci_dev_put(d); > } > } > DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_passive_release > ); > ===== drivers/pci/setup-irq.c 1.5 vs edited ===== > --- 1.5/drivers/pci/setup-irq.c 2004-10-07 00:44:51 +08:00 > +++ edited/drivers/pci/setup-irq.c 2004-10-25 17:29:08 +08:00 > @@ -67,5 +67,6 @@ pci_fixup_irqs(u8 (*swizzle)(struct pci_ > struct pci_dev *dev = NULL; > while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { > pdev_fixup_irq(dev, swizzle, map_irq); > + pci_dev_put(dev); > } > }
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