Commit 144a76bc authored Feb 04, 2009 by Rafael J. Wysocki Committed by Jesse Barnes Feb 04, 2009

PCI PM: Check if the state has been saved before trying to restore it



Check if the standard configuration registers of a PCI device have
been saved during suspend before trying to restore them during
resume.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-By: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

parent ddb7c9d2

drivers/pci/pci.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1421,7 +1421,7 @@ int pci_restore_standard_config(struct pci_dev *dev)
		dev->current_state = PCI_D0;

		Restore:
		return pci_restore_state(dev);
		return dev->state_saved ? pci_restore_state(dev) : 0;
		}

		/**