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[PATCH] PCI: Move pci_dev_put outside a spinlock
This patch (as659) fixes a might_sleep problem in the PCI core, by moving a call to pci_dev_put() outside the scope of a spinlock. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -246,9 +246,9 @@ pci_get_subsys(unsigned int vendor, unsigned int device,
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}
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dev = NULL;
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exit:
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pci_dev_put(from);
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dev = pci_dev_get(dev);
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spin_unlock(&pci_bus_lock);
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pci_dev_put(from);
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return dev;
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}
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@ -339,9 +339,9 @@ struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)
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}
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dev = NULL;
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exit:
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pci_dev_put(from);
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dev = pci_dev_get(dev);
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spin_unlock(&pci_bus_lock);
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pci_dev_put(from);
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return dev;
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}
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