On Fri, 1 Sep 2006 14:38:25 +1000
NeilBrown <[email protected]> wrote:
> +nsm_release(struct nsm_handle *nsm)
> +{
> + if (!nsm)
> + return;
> + if (atomic_read(&nsm->sm_count) == 1) {
> + down(&nsm_sema);
> + if (atomic_dec_and_test(&nsm->sm_count)) {
> + list_del(&nsm->sm_link);
> + kfree(nsm);
> + }
> + up(&nsm_sema);
> + }
> +}
That's weird-looking. Are you sure? afaict, if ->sm_count ever gets a
value of 2 or more, it's unfreeable.
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