On Fri, Aug 07, 2020 at 07:39:20PM +0530, Srujana Challa wrote:
>
> +static inline int is_any_alg_used(void)
> +{
> + int i;
> +
> + for (i = 0; i < ARRAY_SIZE(otx2_cpt_skciphers); i++)
> + if (refcount_read(&otx2_cpt_skciphers[i].base.cra_refcnt) != 1)
> + return true;
> + for (i = 0; i < ARRAY_SIZE(otx2_cpt_aeads); i++)
> + if (refcount_read(&otx2_cpt_aeads[i].base.cra_refcnt) != 1)
> + return true;
> + return false;
> +}
This is racy as there is nothing stopping new users from coming in
after you've finished the test.
Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
