On Sun, Dec 07, 2014 at 11:22:30PM +0100, Stephan Mueller wrote:
>
> +static inline bool aead_sufficient_data(struct aead_ctx *ctx)
> +{
> + unsigned as = crypto_aead_authsize(crypto_aead_reqtfm(&ctx->aead_req));
> +
> + return (ctx->used >= (ctx->aead_assoclen + ctx->enc ? : as ));
Is this supposed to be
return (ctx->used >= (ctx->aead_assoclen + (ctx->enc ?: as)));
> +static int aead_recvmsg(struct kiocb *unused, struct socket *sock,
> + struct msghdr *msg, size_t ignored, int flags)
> +{
...
> + err = -ENOMEM;
> + if (!aead_sufficient_data(ctx))
> + goto unlock;
You should just block if there is insufficient input.
Cheers,
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
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