> Something similar to:
>
> if (cma_any_addr...) {
> ret = rdma_translate_ip(..);
> if (ret)
> goto err1;
>
> mutex_lock
> ret = cma_acquire_dev
> mutex_unlock
> if (ret)
> goto err2;
> }
>
> should work fine.
Actually that will not work, since the undo operation is for when the
next operation (cma_get_port()) fails after we did an acquire_dev,
and in that case the refcount needs to be dropped. So I am not
able to avoid using an extra flag to indicate that a ref was got some
time in the past, and drop it in the error path. I will send that out now.
Thanks,
- KK
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