On Wed, Jan 21, 2015 at 02:19:17AM +0100, Stephan Mueller wrote:
>
> +static void aead_data_wakeup(struct sock *sk)
> +{
> +     struct alg_sock *ask = alg_sk(sk);
> +     struct aead_ctx *ctx = ask->private;
> +     struct socket_wq *wq;
> +
> +     if (ctx->more)
> +             return;

You should also check for ctx->used here.  This can be called after
a zero-sized write.

Cheers,
-- 
Email: Herbert Xu <herb...@gondor.apana.org.au>
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