[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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 05fa91a31c62..ce7dd6e7be60 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -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;
 }