On Tue, Jun 18, 2019 at 08:26:14PM +0300, Leon Romanovsky wrote:
> +static void __rdma_counter_dealloc(struct rdma_counter *counter)
> +{
> + mutex_lock(&counter->lock);
> + counter->device->ops.counter_dealloc(counter);
> + mutex_unlock(&counter->lock);
> +}
Does this lock do anything? The kref is 0 at this point, so no other
thread can have a pointer to this lock.
> +
> +static void rdma_counter_dealloc(struct rdma_counter *counter)
> +{
> + if (!counter)
> + return;
Counter is never NULL.
Jason