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authorAl Viro <viro@zeniv.linux.org.uk>2014-11-21 11:51:08 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-11-21 11:51:08 -0500
commit3035b675ad0377b2468b442068062e7f28771dda (patch)
tree63cf26aa249d067ac12776dd2850ff017747f2b9 /include/linux/pci-acpi.h
parent7ca2f234404e738cc807ed87c43f9932513bc8c6 (diff)
parent7676895f4736421ebafc48de5078e25ea69e88ee (diff)
Merge branch 'overlayfs-current' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into for-linus
"The biggest change is to rename the filesystem from "overlayfs" to "overlay". This will allow legacy overlayfs to be easily carried by distros alongside the new mainline one. Also fix a couple of copy-up races and allow escaping comma character in filenames." The last bit is about commas in pathname mount options...
Diffstat (limited to 'include/linux/pci-acpi.h')
-rw-r--r--include/linux/pci-acpi.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 64dacb7288a6..24c7728ca681 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -41,8 +41,13 @@ static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
if (pci_is_root_bus(pbus))
dev = pbus->bridge;
- else
+ else {
+ /* If pbus is a virtual bus, there is no bridge to it */
+ if (!pbus->self)
+ return NULL;
+
dev = &pbus->self->dev;
+ }
return ACPI_HANDLE(dev);
}