Commit 93688ddb authored by Parav Pandit's avatar Parav Pandit Committed by Jason Gunthorpe
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RDMA/core: No need to protect kfree with spin lock and semaphore 



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: default avatarParav Pandit <parav@mellanox.com>
Reviewed-by: default avatarDaniel Jurgens <danielj@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 722c7b2b

drivers/infiniband/core/device.c

+1 −1
Original line number Diff line number Diff line
@@ -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);