PCI: Allow driver-specific data in host bridge

Provide a way to allocate driver-specific data along with a PCI host bridge
structure. The bridge's ->private field points to this data.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 4853c8fbd701..cf9cb6f30782 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -521,11 +521,11 @@ static void pci_release_host_bridge_dev(struct device *dev)
         kfree(bridge);
 }
 
-static struct pci_host_bridge *pci_alloc_host_bridge(void)
+static struct pci_host_bridge *pci_alloc_host_bridge(size_t priv)
 {
         struct pci_host_bridge *bridge;
 
-        bridge = kzalloc(sizeof(*bridge), GFP_KERNEL);
+        bridge = kzalloc(sizeof(*bridge) + priv, GFP_KERNEL);
         if (!bridge)
                 return NULL;
 
@@ -2253,7 +2253,7 @@ static struct pci_bus *pci_create_root_bus_msi(struct device *parent,
         int error;
         struct pci_host_bridge *bridge;
 
-        bridge = pci_alloc_host_bridge();
+        bridge = pci_alloc_host_bridge(0);
         if (!bridge)
                 return NULL;