[PATCH] PNP: avoid checking unitialized BARs for conflicts

[Rene Herman]

Avoid checking a PCI BAR for conflicts if the BIOS left it
unitialized.

Reported-by: Frans Pop <elendil@xxxxxxxxx>
Tested-by: Frans Pop <elendil@xxxxxxxxx>
Signed-off-by: Rene Herman <rene.herman@xxxxxxxxx>
---
 drivers/pnp/quirks.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index 0bdf9b8..d0120a5 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -253,6 +253,9 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
 				continue;
 
 			pci_start = pci_resource_start(pdev, i);
+			if (!pci_start)
+				continue;
+
 			pci_end = pci_resource_end(pdev, i);
 			for (j = 0;
 			     (res = pnp_get_resource(dev, type, j)); j++) {
-- 
1.6.0.2


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