From: Muli Ben-Yehuda <muli@il.ibm.com>
Date: Tue, 26 Sep 2006 08:52:31 +0000 (+0200)
Subject: [PATCH] Calgary IOMMU: break out of pci_find_device_reverse if dev not found
X-Git-Tag: v2.6.19-rc1~1077^2~152
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f2dc46d5ec6fd7787182d2232a1003af11879f1;p=linux-2.6

[PATCH] Calgary IOMMU: break out of pci_find_device_reverse if dev not found

Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Jon Mason <jdmason@us.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
---

diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index 96f6a866af..b2182c9363 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -844,6 +844,8 @@ error:
 		dev = pci_find_device_reverse(PCI_VENDOR_ID_IBM,
 					      PCI_DEVICE_ID_IBM_CALGARY,
 					      dev);
+		if (!dev)
+			break;
 		if (!translate_phb(dev)) {
 			pci_dev_put(dev);
 			continue;