[PATCH 3 of 7] [x86-64] Calgary IOMMU: break out of pci_find_device_reverse if dev not found

Muli Ben-Yehuda
2006-07-25T16:57:28Z

1 files changed, 2 insertions(+)
arch/x86_64/kernel/pci-calgary.c | 2 ++

# HG changeset patch
# User Muli Ben-Yehuda <muli@il.ibm.com>
# Date 1153737003 -10800
# Node ID 4b8fbf25700873a70eff09264e52e9f6c6330c18
# Parent f85ffa73fb99f4796043a8e50bef1180e36fe582
[x86-64] 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>

diff -r f85ffa73fb99 -r 4b8fbf257008 arch/x86_64/kernel/pci-calgary.c
--- a/arch/x86_64/kernel/pci-calgary.c Mon Jul 24 13:01:16 2006 +0300
+++ b/arch/x86_64/kernel/pci-calgary.c Mon Jul 24 13:30:03 2006 +0300
@@ -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;