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path: root/drivers/pci/hotplug/s390_pci_hpc.c
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Diffstat (limited to 'drivers/pci/hotplug/s390_pci_hpc.c')
-rw-r--r--drivers/pci/hotplug/s390_pci_hpc.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/drivers/pci/hotplug/s390_pci_hpc.c b/drivers/pci/hotplug/s390_pci_hpc.c
index d04634b0defe..30ee72268790 100644
--- a/drivers/pci/hotplug/s390_pci_hpc.c
+++ b/drivers/pci/hotplug/s390_pci_hpc.c
@@ -32,10 +32,15 @@ static int zpci_fn_configured(enum zpci_state state)
*/
struct slot {
struct list_head slot_list;
- struct hotplug_slot *hotplug_slot;
+ struct hotplug_slot hotplug_slot;
struct zpci_dev *zdev;
};
+static inline struct slot *to_slot(struct hotplug_slot *hotplug_slot)
+{
+ return container_of(hotplug_slot, struct slot, hotplug_slot);
+}
+
static inline int slot_configure(struct slot *slot)
{
int ret = sclp_pci_configure(slot->zdev->fid);
@@ -60,7 +65,7 @@ static inline int slot_deconfigure(struct slot *slot)
static int enable_slot(struct hotplug_slot *hotplug_slot)
{
- struct slot *slot = hotplug_slot->private;
+ struct slot *slot = to_slot(hotplug_slot);
int rc;
if (slot->zdev->state != ZPCI_FN_STATE_STANDBY)
@@ -88,7 +93,7 @@ out_deconfigure:
static int disable_slot(struct hotplug_slot *hotplug_slot)
{
- struct slot *slot = hotplug_slot->private;
+ struct slot *slot = to_slot(hotplug_slot);
struct pci_dev *pdev;
int rc;
@@ -110,7 +115,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
- struct slot *slot = hotplug_slot->private;
+ struct slot *slot = to_slot(hotplug_slot);
switch (slot->zdev->state) {
case ZPCI_FN_STATE_STANDBY:
@@ -139,7 +144,6 @@ static const struct hotplug_slot_ops s390_hotplug_slot_ops = {
int zpci_init_slot(struct zpci_dev *zdev)
{
- struct hotplug_slot *hotplug_slot;
char name[SLOT_NAME_SIZE];
struct slot *slot;
int rc;
@@ -151,18 +155,11 @@ int zpci_init_slot(struct zpci_dev *zdev)
if (!slot)
goto error;
- hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL);
- if (!hotplug_slot)
- goto error_hp;
- hotplug_slot->private = slot;
-
- slot->hotplug_slot = hotplug_slot;
slot->zdev = zdev;
-
- hotplug_slot->ops = &s390_hotplug_slot_ops;
+ slot->hotplug_slot.ops = &s390_hotplug_slot_ops;
snprintf(name, SLOT_NAME_SIZE, "%08x", zdev->fid);
- rc = pci_hp_register(slot->hotplug_slot, zdev->bus,
+ rc = pci_hp_register(&slot->hotplug_slot, zdev->bus,
ZPCI_DEVFN, name);
if (rc)
goto error_reg;
@@ -171,8 +168,6 @@ int zpci_init_slot(struct zpci_dev *zdev)
return 0;
error_reg:
- kfree(hotplug_slot);
-error_hp:
kfree(slot);
error:
return -ENOMEM;
@@ -187,8 +182,7 @@ void zpci_exit_slot(struct zpci_dev *zdev)
if (slot->zdev != zdev)
continue;
list_del(&slot->slot_list);
- pci_hp_deregister(slot->hotplug_slot);
- kfree(slot->hotplug_slot);
+ pci_hp_deregister(&slot->hotplug_slot);
kfree(slot);
}
}