From: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
This really has no purpose anymore, refcount can be used to tell if the
device is still registered. Keeping it around just invites mis-use.
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Reviewed-by: Parav Pandit <parav@xxxxxxxxxxxx>
---
drivers/infiniband/core/device.c | 8 ++------
include/rdma/ib_verbs.h | 6 ------
2 files changed, 2 insertions(+), 12 deletions(-)
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 803df192b7750e..905d7b3780beca 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -243,7 +243,7 @@ static void ib_device_release(struct device *device)
{
struct ib_device *dev = container_of(device, struct ib_device, dev);
- WARN_ON(dev->reg_state == IB_DEV_REGISTERED);
+ WARN_ON(refcount_read(&dev->refcount));
ib_cache_release_one(dev);
ib_security_release_port_pkey_list(dev);
kfree(dev->port_pkey_list);
@@ -316,8 +316,7 @@ EXPORT_SYMBOL(_ib_alloc_device);
void ib_dealloc_device(struct ib_device *device)
{
WARN_ON(!list_empty(&device->client_data_list));
- WARN_ON(device->reg_state != IB_DEV_UNREGISTERED &&
- device->reg_state != IB_DEV_UNINITIALIZED);
+ WARN_ON(refcount_read(&device->refcount));
rdma_restrack_clean(device);
put_device(&device->dev);
}
@@ -601,7 +600,6 @@ int ib_register_device(struct ib_device *device, const char *name)
}
refcount_set(&device->refcount, 1);
- device->reg_state = IB_DEV_REGISTERED;
list_for_each_entry(client, &client_list, list)
if (!add_client_context(device, client) && client->add)
@@ -672,8 +670,6 @@ void ib_unregister_device(struct ib_device *device)
}
write_unlock_irqrestore(&device->client_data_lock, flags);
up_write(&lists_rwsem);
-
- device->reg_state = IB_DEV_UNREGISTERED;
}
EXPORT_SYMBOL(ib_unregister_device);
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 2e1f1e885ee502..76138ef4f839ea 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2558,12 +2558,6 @@ struct ib_device {
struct kobject *ports_kobj;
struct list_head port_list;
- enum {
- IB_DEV_UNINITIALIZED,
- IB_DEV_REGISTERED,
- IB_DEV_UNREGISTERED
- } reg_state;
-
int uverbs_abi_ver;
u64 uverbs_cmd_mask;
u64 uverbs_ex_cmd_mask;
--
2.20.1
