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RDMA/core: No need to protect kfree with spin lock and semaphore

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While unregistering a client, only context removal should be protected
with lock. There is no need to protect a freeing of such context which is
already removed from the list.

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 15:08:41 +03:00 committed by Jason Gunthorpe
parent 722c7b2bfe
commit 93688ddbe1
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/core/device.c
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@ -700,9 +700,9 @@ void ib_unregister_client(struct ib_client *client)
down_write(&lists_rwsem);
spin_lock_irqsave(&device->client_data_lock, flags);
list_del(&found_context->list);
kfree(found_context);
spin_unlock_irqrestore(&device->client_data_lock, flags);
up_write(&lists_rwsem);
kfree(found_context);
}
mutex_unlock(&device_mutex);