PCI: fix incorrect error return in pci_enable_wake

This patch (as1186) fixes a minor mistake in pci_enable_wake().  When
the routine is asked to disable remote wakeup, it should not return an
error merely because the device is not allowed to do wakeups!

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index d4d71fae623352143a5691e72c25871bc6684818..1fb7cff4cdaedb86443912be8d70b327cac653c4 100644 (file)
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1091,7 +1091,7 @@ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable)
        int error = 0;
        bool pme_done = false;
 
-       if (!device_may_wakeup(&dev->dev))
+       if (enable && !device_may_wakeup(&dev->dev))
                return -EINVAL;
 
        /*