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SubjectRe: [PATCH] crypto: AF_ALG - wait for data at beginning of recvmsg
On Wed, Nov 29, 2017 at 11:17:26AM +0100, Stephan Müller wrote:
>
> @@ -111,6 +111,12 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
> size_t usedpages = 0; /* [in] RX bufs to be used from user */
> size_t processed = 0; /* [in] TX bufs to be consumed */
>
> + if (ctx->more) {
> + err = af_alg_wait_for_data(sk, flags);
> + if (err)
> + return err;
> + }

So what happens when sendmsg hasn't been called at all? In that
case ctx->more would be zero, and we would skip the wait right?

Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

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