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RDMA: Move owner into struct ib_device_ops

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This more closely follows how other subsytems work, with owner being a
member of the structure containing the function pointers.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe
2019-06-05 14:39:26 -03:00
parent 72c6ec18eb
commit 7a15414252
20 changed files with 25 additions and 22 deletions
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4
drivers/infiniband/core/device.c
View File

@@ -2323,6 +2323,10 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
dev_ops->driver_id != ops->driver_id);
dev_ops->driver_id = ops->driver_id;
}
if (ops->owner) {
WARN_ON(dev_ops->owner && dev_ops->owner != ops->owner);
dev_ops->owner = ops->owner;
}
if (ops->uverbs_abi_ver)
dev_ops->uverbs_abi_ver = ops->uverbs_abi_ver;

6
drivers/infiniband/core/uverbs_main.c
View File

@@ -198,7 +198,7 @@ void ib_uverbs_release_file(struct kref *ref)
ib_dev = srcu_dereference(file->device->ib_dev,
&file->device->disassociate_srcu);
if (ib_dev && !ib_dev->ops.disassociate_ucontext)
module_put(ib_dev->owner);
module_put(ib_dev->ops.owner);
srcu_read_unlock(&file->device->disassociate_srcu, srcu_key);
if (atomic_dec_and_test(&file->device->refcount))
@@ -1065,7 +1065,7 @@ static int ib_uverbs_open(struct inode *inode, struct file *filp)
module_dependent = !(ib_dev->ops.disassociate_ucontext);
if (module_dependent) {
if (!try_module_get(ib_dev->owner)) {
if (!try_module_get(ib_dev->ops.owner)) {
ret = -ENODEV;
goto err;
}
@@ -1100,7 +1100,7 @@ static int ib_uverbs_open(struct inode *inode, struct file *filp)
return stream_open(inode, filp);
err_module:
module_put(ib_dev->owner);
module_put(ib_dev->ops.owner);
err:
mutex_unlock(&dev->lists_mutex);