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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:16:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:16:07 +0000
commitff146e0175fa9b27a6838c64c76f1e3d4b4cc6a6 (patch)
treeeb37b8a1f852d4b842862b002c1da338ee11d9d2 /arch/powerpc/kernel/eeh_pe.c
parentAdding upstream version 6.9.10. (diff)
downloadlinux-upstream/6.9.11.tar.xz
linux-upstream/6.9.11.zip
Adding upstream version 6.9.11.upstream/6.9.11
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--arch/powerpc/kernel/eeh_pe.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c
index e0ce812796..7d1b50599d 100644
--- a/arch/powerpc/kernel/eeh_pe.c
+++ b/arch/powerpc/kernel/eeh_pe.c
@@ -849,6 +849,7 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)
{
struct eeh_dev *edev;
struct pci_dev *pdev;
+ struct pci_bus *bus = NULL;
if (pe->type & EEH_PE_PHB)
return pe->phb->bus;
@@ -859,9 +860,11 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)
/* Retrieve the parent PCI bus of first (top) PCI device */
edev = list_first_entry_or_null(&pe->edevs, struct eeh_dev, entry);
+ pci_lock_rescan_remove();
pdev = eeh_dev_to_pci_dev(edev);
if (pdev)
- return pdev->bus;
+ bus = pdev->bus;
+ pci_unlock_rescan_remove();
- return NULL;
+ return bus;
}