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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>
This commit is contained in:
Alan Stern 2006-02-23 17:12:51 -05:00 committed by Greg Kroah-Hartman
parent 8c4b2cf9af
commit b89b7ea05a
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/search.c
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@ -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;
}