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RDMA/core: Remove context entries from list while unregistering device

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While unregistering a device, remove the context elements from the list to
not have any stale entries. With that any errors/bugs can be checked when
device is freed.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2018-08-28 15:08:43 +03:00 committed by Jason Gunthorpe
parent f7b65d9bf2
commit 4512acd0d3
1 changed files with 5 additions and 1 deletions
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6
drivers/infiniband/core/device.c
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@ -286,6 +286,7 @@ 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);
rdma_restrack_clean(&device->res);
@ -610,8 +611,11 @@ void ib_unregister_device(struct ib_device *device)
down_write(&lists_rwsem);
spin_lock_irqsave(&device->client_data_lock, flags);
list_for_each_entry_safe(context, tmp, &device->client_data_list, list)
list_for_each_entry_safe(context, tmp, &device->client_data_list,
list) {
list_del(&context->list);
kfree(context);
}
spin_unlock_irqrestore(&device->client_data_lock, flags);
up_write(&lists_rwsem);