[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>
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 05fa91a..ce7dd6e 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -246,9 +246,9 @@
}
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 @@
}
dev = NULL;
exit:
- pci_dev_put(from);
dev = pci_dev_get(dev);
spin_unlock(&pci_bus_lock);
+ pci_dev_put(from);
return dev;
}