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Commit d21943dd authored by Leon Romanovsky's avatar Leon Romanovsky Committed by Doug Ledford
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RDMA/core: Implement IB device rename function 



Generic implementation of IB device rename function.

Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent dbace111

drivers/infiniband/core/core_priv.h

+1 −0
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ int ib_device_register_sysfs(struct ib_device *device, 
			      int (*port_callback)(struct ib_device *,

						   u8, struct kobject *));

void ib_device_unregister_sysfs(struct ib_device *device);

int ib_device_rename(struct ib_device *ibdev, const char *name);



typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port,

	      struct net_device *idev, void *cookie);

drivers/infiniband/core/device.c

+25 −0
Original line number Diff line number Diff line
@@ -171,6 +171,31 @@ static struct ib_device *__ib_device_get_by_name(const char *name) 
	return NULL;

}



int ib_device_rename(struct ib_device *ibdev, const char *name)

{

	struct ib_device *device;

	int ret = 0;



	if (!strcmp(name, dev_name(&ibdev->dev)))

		return ret;



	mutex_lock(&device_mutex);

	list_for_each_entry(device, &device_list, core_list) {

		if (!strcmp(name, dev_name(&device->dev))) {

			ret = -EEXIST;

			goto out;

		}

	}



	ret = device_rename(&ibdev->dev, name);

	if (ret)

		goto out;

	strlcpy(ibdev->name, name, IB_DEVICE_NAME_MAX);

out:

	mutex_unlock(&device_mutex);

	return ret;

}



static int alloc_name(struct ib_device *ibdev, const char *name)

{

	unsigned long *inuse;