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Commit b89b7ea0 authored by Alan Stern's avatar Alan Stern Committed by Greg Kroah-Hartman
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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: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 8c4b2cf9

drivers/pci/search.c

+2 −2
Original line number Diff line number Diff line
@@ -246,9 +246,9 @@ pci_get_subsys(unsigned int vendor, unsigned int device, 
	}

	dev = NULL;

exit:

	pci_dev_put(from);

	dev = pci_dev_get(dev);

	spin_unlock(&pci_bus_lock);

	pci_dev_put(from);

	return dev;

}
@@ -339,9 +339,9 @@ struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from) 
	}

	dev = NULL;

exit:

	pci_dev_put(from);

	dev = pci_dev_get(dev);

	spin_unlock(&pci_bus_lock);

	pci_dev_put(from);

	return dev;

}