pciehp: remove unused pci_bus from struct controller

This patch removes unused pci_bus member from struct controller.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 2 insertions, 13 deletions

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 202e4967a941..b505515a07ae 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -78,7 +78,6 @@ struct controller {
         int num_slots;                  /* Number of slots on ctlr */
         int slot_num_inc;               /* 1 or -1 */
         struct pci_dev *pci_dev;
-        struct pci_bus *pci_bus;
         struct list_head slot_list;
         struct event_info event_queue[MAX_EVENTS];
         struct slot *slot;
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index a315685b2d37..b617613381d6 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -346,13 +346,6 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
 
         pci_set_drvdata(pdev, ctrl);
 
-        ctrl->pci_bus = kmalloc(sizeof(*ctrl->pci_bus), GFP_KERNEL);
-        if (!ctrl->pci_bus) {
-                err("%s: out of memory\n", __FUNCTION__);
-                rc = -ENOMEM;
-                goto err_out_unmap_mmio_region;
-        }
-        memcpy (ctrl->pci_bus, pdev->bus, sizeof (*ctrl->pci_bus));
         ctrl->bus = pdev->bus->number;  /* ctrl bus */
         ctrl->slot_bus = pdev->subordinate->number;  /* bus controlled by this HPC */
 
@@ -365,7 +358,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
         rc = init_slots(ctrl);
         if (rc) {
                 err(msg_initialization_err, 6);
-                goto err_out_free_ctrl_slot;
+                goto err_out_release_ctlr;
         }
 
         t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset);
@@ -404,8 +397,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
 
 err_out_free_ctrl_slot:
         cleanup_slots(ctrl);
-        kfree(ctrl->pci_bus);
-err_out_unmap_mmio_region:
+err_out_release_ctlr:
         ctrl->hpc_ops->release_ctlr(ctrl);
 err_out_free_ctrl:
         kfree(ctrl);
@@ -439,8 +431,6 @@ static void __exit unload_pciehpd(void)
         while (ctrl) {
                 cleanup_slots(ctrl);
 
-                kfree (ctrl->pci_bus);
-
                 ctrl->hpc_ops->release_ctlr(ctrl);
 
                 tctrl = ctrl;