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RDMA/device: Get rid of reg_state

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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@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
This commit is contained in:
Jason Gunthorpe 2019-02-06 22:41:50 -07:00
parent d45f89d59b
commit 652432f33c
2 changed files with 2 additions and 12 deletions
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8
drivers/infiniband/core/device.c
View File

@ -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);
}
@ -602,7 +601,6 @@ 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)
@ -673,8 +671,6 @@ 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);

6
include/rdma/ib_verbs.h
View File

@ -2572,12 +2572,6 @@ 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;